Section 3F
1593 pages across all releases.
- abort(3F) [p_man/cat3/f90] ABORT - Requests abort with traceback
- abort(3F) [p_man/cat3/ftn] abort - terminate Fortran program
- abs(3F) abs, iabs, dabs, qabs, cabs, zabs, cqabs, iiabs, jiabs - FORTRAN absolute value
- acos(3F) acos, dacos, qacos, acosd, dacosd, qacosd - FORTRAN arccosine intrinsic function
- aint(3F) aint, dint, qint, iint, jint, iidint, jidint, iiqint, jiqint, kiqint - FORTRAN integer part intrinsic function
- alarm(3F) alarm - execute a subroutine after a specified time
- amax(3F) ISAMAX, IDAMAX, ICAMAX, IZAMAX - Searches a vector for the first occurrence of the maximum absolute value
- asin(3F) asin, dasin, qasin, asind, dasind, qasind - FORTRAN arcsine intrinsic function
- asnctl(3F) ASNCTL - Controls function of ASSIGN, ASNFILE, ASNUNIT, and ASNRM routines
- asnqfile(3F) ASNQFILE, ASNQUNIT - Returns the assign options currently in effect for a file name or unit number
- assign(3F) ASSIGN, ASNUNIT, ASNFILE, ASNRM - Provides library interface to assign processing
- asum(3F) SASUM, DASUM, SCASUM, DZASUM - Sums the absolute value of elements in a real or complex vector
- atan(3F) atan, datan, qatan, atand, datand, qatand - FORTRAN arctangent intrinsic function
- atan2(3F) atan2, datan2, qatan2, atan2d, datan2d, qatan2d - FORTRAN arctangent intrinsic function
- axpy(3F) SAXPY, CAXPY, DAXPY, ZAXPY - Adds a scalar multiple of a real or complex vector to another real or complex vector
- BAKVEC(3F) BAKVEC, SBAKVEC - EISPACK routine. This subroutine forms the eigenvectors of a NONSYMMETRIC TRIDIAGONAL matrix by back transforming those of the corresponding symmetric matrix determined by FIGI.
- BALANC(3F) BALANC, SBALANC - EISPACK routine. This subroutine balances a REAL matrix and isolates eigenvalues whenever possible.
- BALBAK(3F) BALBAK, SBALBAK - EISPACK rotuine. This subroutine forms the eigenvectors of a REAL GENERAL matrix by back transforming those of the corresponding balanced matrix determined by BALANC.
- BANDR(3F) BANDR, SBANDR - EISPACK routine. This subroutine reduces a REAL SYMMETRIC BAND matrix to a symmetric tridiagonal matrix using and optionally accumulating orthogonal similarity transformations.
- BANDV(3F) BANDV, SBANDV - EISPACK routine. This subroutine finds those eigenvectors of a REAL SYMMETRIC BAND matrix corresponding to specified eigenvalues, using inverse iteration. The subroutine may also be used to solve systems of linear equations with a symmetric or non-symmetric band coefficient matrix.
- BISECT(3F) BISECT, SBISECT - EISPACK routine. This subroutine finds those eigenvalues of a TRIDIAGONAL SYMMETRIC matrix which lie in a specified interval, using bisection.
- blas(3F) BLAS - Basic Linear Algebra Subprograms
- bool(3F) bool - Fortran bitwise boolean functions
- BQR(3F) BQR, SBQR - EISPACK routine. This subroutine finds the eigenvalue of smallest (usually) magnitude of a REAL SYMMETRIC BAND matrix using the QR algorithm with shifts of origin. Consecutive calls can be made to find further eigenvalues.
- CBABK2(3F) CBABK2, SCBABK2 - EISPACK routine. This subroutine forms the eigenvectors of a COMPLEX GENERAL matrix by back transforming those of the corresponding balanced matrix determined by CBAL.
- CBAL(3F) CBAL, SCBAL - EISPACK routine. This subroutine is a complex version of BALANCE.
- cbdsqr(3F) CBDSQR - compute the singular value decomposition (SVD) of a real N-by-N (upper or lower) bidiagonal matrix B
- CCHDC(3F) CCHDC - CCHDC computes the Cholesky decomposition of a positive definite matrix. A pivoting option allows the user to estimate the condition of a positive definite matrix or determine the rank of a positive semidefinite matrix.
- CCHDD(3F) CCHDD - CCHDD downdates an augmented Cholesky decomposition or the triangular factor of an augmented QR decomposition. Specifically, given an upper triangular matrix R of order P, a row vector X, a column vector Z, and a scalar Y, CCHDD determines a unitary matrix U and a scalar ZETA such that
- CCHEX(3F) CCHEX - CCHEX updates the Cholesky factorization
- CCHUD(3F) CCHUD - CCHUD updates an augmented Cholesky decomposition of the triangular part of an augmented QR decomposition. Specifically, given an upper triangular matrix R of order P, a row vector X, a column vector Z, and a scalar Y, CCHUD determines a unitary matrix U and a scalar ZETA such that
- CDIV(3F) CDIV, SCDIV - EISPACK auxiliary routine.
- CFFT2(3F) CFFT2 - Calculate a complex-to-complex Fourier synthesis/analysis.
- cfftm1d(3F) cfftm1d, zfftm1d - Multiple 1D, complex-to-complex, Fast Fourier Transforms.
- cfftm1di(3F) cfftm1di, zfftm1di - initialize the coefficient array for complex-to- complex Multiple 1D FFT modules.
- CG(3F) CG, SCG - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) of a COMPLEX GENERAL matrix.
- cgbbrd(3F) CGBBRD - reduce a complex general m-by-n band matrix A to real upper bidiagonal form B by a unitary transformation
- CGBCO(3F) CGBCO - CGBCO factors a complex band matrix by Gaussian elimination and estimates the condition of the matrix.
- cgbcon(3F) CGBCON - estimate the reciprocal of the condition number of a complex general band matrix A, in either the 1-norm or the infinity-norm,
- CGBDI(3F) CGBDI - CGBDI computes the determinant of a band matrix using the factors computed by CGBCO or CGBFA. If the inverse is needed, use CGBSL N times.
- cgbequ(3F) CGBEQU - compute row and column scalings intended to equilibrate an M- by-N band matrix A and reduce its condition number
- CGBFA(3F) CGBFA - CGBFA factors a complex band matrix by elimination.
- cgbrfs(3F) CGBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is banded, and provides error bounds and backward error estimates for the solution
- CGBSL(3F) CGBSL - CGBSL solves the complex band system A * X = B or CTRANS(A) * X = B using the factors computed by CGBCO or CGBFA.
- cgbsv(3F) CGBSV - compute the solution to a complex system of linear equations A * X = B, where A is a band matrix of order N with KL subdiagonals and KU superdiagonals, and X and B are N-by-NRHS matrices
- cgbsvx(3F) CGBSVX - use the LU factorization to compute the solution to a complex system of linear equations A * X = B, A**T * X = B, or A**H * X = B,
- cgbtf2(3F) CGBTF2 - compute an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges
- cgbtrf(3F) CGBTRF - compute an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges
- cgbtrs(3F) CGBTRS - solve a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general band matrix A using the LU factorization computed by CGBTRF
- cgebak(3F) CGEBAK - form the right or left eigenvectors of a complex general matrix by backward transformation on the computed eigenvectors of the balanced matrix output by CGEBAL
- cgebal(3F) CGEBAL - balance a general complex matrix A
- cgebd2(3F) CGEBD2 - reduce a complex general m by n matrix A to upper or lower real bidiagonal form B by a unitary transformation
- cgebrd(3F) CGEBRD - reduce a general complex M-by-N matrix A to upper or lower bidiagonal form B by a unitary transformation
- CGECO(3F) CGECO - CGECO factors a complex matrix by Gaussian elimination and estimates the condition of the matrix.
- cgecon(3F) CGECON - estimate the reciprocal of the condition number of a general complex matrix A, in either the 1-norm or the infinity-norm, using the LU factorization computed by CGETRF
- CGEDI(3F) CGEDI - CGEDI computes the determinant and inverse of a matrix using the factors computed by CGECO or CGEFA.
- cgeequ(3F) CGEEQU - compute row and column scalings intended to equilibrate an M- by-N matrix A and reduce its condition number
- cgees(3F) CGEES - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues, the Schur form T, and, optionally, the matrix of Schur vectors Z
- cgeesx(3F) CGEESX - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues, the Schur form T, and, optionally, the matrix of Schur vectors Z
- cgeev(3F) CGEEV - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- cgeevx(3F) CGEEVX - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- CGEFA(3F) CGEFA - CGEFA factors a complex matrix by Gaussian elimination.
- cgegs(3F) CGEGS - compute for a pair of N-by-N complex nonsymmetric matrices A,
- cgegv(3F) CGEGV - compute for a pair of N-by-N complex nonsymmetric matrices A and B, the generalized eigenvalues (alpha, beta), and optionally,
- cgehd2(3F) CGEHD2 - reduce a complex general matrix A to upper Hessenberg form H by a unitary similarity transformation
- cgehrd(3F) CGEHRD - reduce a complex general matrix A to upper Hessenberg form H by a unitary similarity transformation
- cgelq2(3F) CGELQ2 - compute an LQ factorization of a complex m by n matrix A
- cgelqf(3F) CGELQF - compute an LQ factorization of a complex M-by-N matrix A
- cgels(3F) CGELS - solve overdetermined or underdetermined complex linear systems involving an M-by-N matrix A, or its conjugate-transpose, using a QR or LQ factorization of A
- cgelss(3F) CGELSS - compute the minimum norm solution to a complex linear least squares problem
- cgelsx(3F) CGELSX - compute the minimum-norm solution to a complex linear least squares problem
- cgeql2(3F) CGEQL2 - compute a QL factorization of a complex m by n matrix A
- cgeqlf(3F) CGEQLF - compute a QL factorization of a complex M-by-N matrix A
- cgeqpf(3F) CGEQPF - compute a QR factorization with column pivoting of a complex M- by-N matrix A
- cgeqr2(3F) CGEQR2 - compute a QR factorization of a complex m by n matrix A
- cgeqrf(3F) CGEQRF - compute a QR factorization of a complex M-by-N matrix A
- cgerfs(3F) CGERFS - improve the computed solution to a system of linear equations and provides error bounds and backward error estimates for the solution
- cgerq2(3F) CGERQ2 - compute an RQ factorization of a complex m by n matrix A
- cgerqf(3F) CGERQF - compute an RQ factorization of a complex M-by-N matrix A
- CGESL(3F) CGESL - CGESL solves the complex system A * X = B or CTRANS(A) * X = B using the factors computed by CGECO or CGEFA.
- cgesv(3F) CGESV - compute the solution to a complex system of linear equations A * X = B,
- cgesvd(3F) CGESVD - compute the singular value decomposition (SVD) of a complex M- by-N matrix A, optionally computing the left and/or right singular vectors
- cgesvx(3F) CGESVX - use the LU factorization to compute the solution to a complex system of linear equations A * X = B,
- cgetf2(3F) CGETF2 - compute an LU factorization of a general m-by-n matrix A using partial pivoting with row interchanges
- cgetrf(3F) CGETRF - compute an LU factorization of a general M-by-N matrix A using partial pivoting with row interchanges
- cgetri(3F) CGETRI - compute the inverse of a matrix using the LU factorization computed by CGETRF
- cgetrs(3F) CGETRS - solve a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by CGETRF
- cggbak(3F) CGGBAK - form the right or left eigenvectors of a complex generalized eigenvalue problem A*x = lambda*B*x, by backward transformation on the computed eigenvectors of the balanced pair of matrices output by CGGBAL
- cggbal(3F) CGGBAL - balance a pair of general complex matrices (A,B)
- cggglm(3F) CGGGLM - solve a general Gauss-Markov linear model (GLM) problem
- cgghrd(3F) CGGHRD - reduce a pair of complex matrices (A,B) to generalized upper Hessenberg form using unitary transformations, where A is a general matrix and B is upper triangular
- cgglse(3F) CGGLSE - solve the linear equality-constrained least squares (LSE) problem
- cggqrf(3F) CGGQRF - compute a generalized QR factorization of an N-by-M matrix A and an N-by-P matrix B
- cggrqf(3F) CGGRQF - compute a generalized RQ factorization of an M-by-N matrix A and a P-by-N matrix B
- cggsvd(3F) CGGSVD - compute the generalized singular value decomposition (GSVD) of an M-by-N complex matrix A and P-by-N complex matrix B
- cggsvp(3F) CGGSVP - compute unitary matrices U, V and Q such that N-K-L K L U'*A*Q = K ( 0 A12 A13 ) if M-K-L >= 0
- cgtcon(3F) CGTCON - estimate the reciprocal of the condition number of a complex tridiagonal matrix A using the LU factorization as computed by CGTTRF
- cgtrfs(3F) CGTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is tridiagonal, and provides error bounds and backward error estimates for the solution
- CGTSL(3F) CGTSL - CGTSL given a general tridiagonal matrix and a right hand side will find the solution.
- cgtsv(3F) CGTSV - solve the equation A*X = B,
- cgtsvx(3F) CGTSVX - use the LU factorization to compute the solution to a complex system of linear equations A * X = B, A**T * X = B, or A**H * X = B,
- cgttrf(3F) CGTTRF - compute an LU factorization of a complex tridiagonal matrix A using elimination with partial pivoting and row interchanges
- cgttrs(3F) CGTTRS - solve one of the systems of equations A * X = B, A**T * X = B, or A**H * X = B,
- CH(3F) CH, SCH - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) of a COMPLEX HERMITIAN matrix.
- chbev(3F) CHBEV - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
- chbevd(3F) CHBEVD - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
- chbevx(3F) CHBEVX - compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
- chbgst(3F) CHBGST - reduce a complex Hermitian-definite banded generalized eigenproblem A*x = lambda*B*x to standard form C*y = lambda*y,
- chbgv(3F) CHBGV - compute all the eigenvalues, and optionally, the eigenvectors of a complex generalized Hermitian-definite banded eigenproblem, of the form A*x=(lambda)*B*x
- chbtrd(3F) CHBTRD - reduce a complex Hermitian band matrix A to real symmetric tridiagonal form T by a unitary similarity transformation
- checon(3F) CHECON - estimate the reciprocal of the condition number of a complex Hermitian matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by CHETRF
- cheev(3F) CHEEV - compute all eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A
- cheevd(3F) CHEEVD - compute all eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A
- cheevx(3F) CHEEVX - compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A
- chegs2(3F) CHEGS2 - reduce a complex Hermitian-definite generalized eigenproblem to standard form
- chegst(3F) CHEGST - reduce a complex Hermitian-definite generalized eigenproblem to standard form
- chegv(3F) CHEGV - compute all the eigenvalues, and optionally, the eigenvectors of a complex generalized Hermitian-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- cherfs(3F) CHERFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian indefinite, and provides error bounds and backward error estimates for the solution
- chesv(3F) CHESV - compute the solution to a complex system of linear equations A * X = B,
- chesvx(3F) CHESVX - use the diagonal pivoting factorization to compute the solution to a complex system of linear equations A * X = B,
- chetd2(3F) CHETD2 - reduce a complex Hermitian matrix A to real symmetric tridiagonal form T by a unitary similarity transformation
- chetf2(3F) CHETF2 - compute the factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method
- chetrd(3F) CHETRD - reduce a complex Hermitian matrix A to real symmetric tridiagonal form T by a unitary similarity transformation
- chetrf(3F) CHETRF - compute the factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method
- chetri(3F) CHETRI - compute the inverse of a complex Hermitian indefinite matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by CHETRF
- chetrs(3F) CHETRS - solve a system of linear equations A*X = B with a complex Hermitian matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by CHETRF
- chgeqz(3F) CHGEQZ - implement a single-shift version of the QZ method for finding the generalized eigenvalues w(i)=ALPHA(i)/BETA(i) of the equation det( A - w(i) B ) = 0 If JOB='S', then the pair (A,B) is simultaneously reduced to Schur form (i.e., A and B are both upper triangular) by applying one unitary tranformation (usually called Q) on the left and another (usually called Z) on the right
- CHICO(3F) CHICO - CHICO factors a complex Hermitian matrix by elimination with symmetric pivoting and estimates the condition of the matrix.
- CHIDI(3F) CHIDI - CHIDI computes the determinant, inertia and inverse of a complex Hermitian matrix using the factors from CHIFA.
- CHIFA(3F) CHIFA - CHIFA factors a complex Hermitian matrix by elimination with symmetric pivoting.
- CHISL(3F) CHISL - CHISL solves the complex Hermitian system A * X = B using the factors computed by CHIFA.
- chmod(3F) chmod - change mode of a file
- CHPCO(3F) CHPCO - CHPCO factors a complex Hermitian matrix stored in packed form by elimination with symmetric pivoting and estimates the condition of the matrix.
- chpcon(3F) CHPCON - estimate the reciprocal of the condition number of a complex Hermitian packed matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by CHPTRF
- CHPDI(3F) CHPDI - CHPDI computes the determinant, inertia and inverse of a complex Hermitian matrix using the factors from CHPFA, where the matrix is stored in packed form.
- chpev(3F) CHPEV - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix in packed storage
- chpevd(3F) CHPEVD - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A in packed storage
- chpevx(3F) CHPEVX - compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A in packed storage
- CHPFA(3F) CHPFA - CHPFA factors a complex Hermitian matrix stored in packed form by elimination with symmetric pivoting.
- chpgst(3F) CHPGST - reduce a complex Hermitian-definite generalized eigenproblem to standard form, using packed storage
- chpgv(3F) CHPGV - compute all the eigenvalues and, optionally, the eigenvectors of a complex generalized Hermitian-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- chprfs(3F) CHPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian indefinite and packed, and provides error bounds and backward error estimates for the solution
- CHPSL(3F) CHPSL - CHISL solves the complex Hermitian system A * X = B using the factors computed by CHPFA.
- chpsv(3F) CHPSV - compute the solution to a complex system of linear equations A * X = B,
- chpsvx(3F) CHPSVX - use the diagonal pivoting factorization A = U*D*U**H or A = L*D*L**H to compute the solution to a complex system of linear equations A * X = B, where A is an N-by-N Hermitian matrix stored in packed format and X and B are N-by-NRHS matrices
- chptrd(3F) CHPTRD - reduce a complex Hermitian matrix A stored in packed form to real symmetric tridiagonal form T by a unitary similarity transformation
- chptrf(3F) CHPTRF - compute the factorization of a complex Hermitian packed matrix A using the Bunch-Kaufman diagonal pivoting method
- chptri(3F) CHPTRI - compute the inverse of a complex Hermitian indefinite matrix A in packed storage using the factorization A = U*D*U**H or A = L*D*L**H computed by CHPTRF
- chptrs(3F) CHPTRS - solve a system of linear equations A*X = B with a complex Hermitian matrix A stored in packed format using the factorization A = U*D*U**H or A = L*D*L**H computed by CHPTRF
- chsein(3F) CHSEIN - use inverse iteration to find specified right and/or left eigenvectors of a complex upper Hessenberg matrix H
- chseqr(3F) CHSEQR - compute the eigenvalues of a complex upper Hessenberg matrix H, and, optionally, the matrices T and Z from the Schur decomposition H = Z T Z**H, where T is an upper triangular matrix (the Schur form), and Z is the unitary matrix of Schur vectors
- CINVIT(3F) CINVIT, SCINVIT - EISPACK routine. This subroutine finds those eigenvectors of A COMPLEX UPPER Hessenberg matrix corresponding to specified eigenvalues, using inverse iteration.
- clabrd(3F) CLABRD - reduce the first NB rows and columns of a complex general m by n matrix A to upper or lower real bidiagonal form by a unitary transformation Q' * A * P, and returns the matrices X and Y which are needed to apply the transformation to the unreduced part of A
- clacgv(3F) CLACGV - conjugate a complex vector of length N
- clacon(3F) CLACON - estimate the 1-norm of a square, complex matrix A
- clacpy(3F) CLACPY - copie all or part of a two-dimensional matrix A to another matrix B
- clacrm(3F) CLACRM - perform a very simple matrix-matrix multiplication
- clacrt(3F) CLACRT - applie a plane rotation, where the cos and sin (C and S) are complex and the vectors CX and CY are complex
- cladiv(3F) CLADIV - := X / Y, where X and Y are complex
- claed0(3F) CLAED0 - the divide and conquer method, CLAED0 computes all eigenvalues of a symmetric tridiagonal matrix which is one diagonal block of those from reducing a dense or band Hermitian matrix and corresponding eigenvectors of the dense or band matrix
- claed7(3F) CLAED7 - compute the updated eigensystem of a diagonal matrix after modification by a rank-one symmetric matrix
- claed8(3F) CLAED8 - merge the two sets of eigenvalues together into a single sorted set
- claein(3F) CLAEIN - use inverse iteration to find a right or left eigenvector corresponding to the eigenvalue W of a complex upper Hessenberg matrix H
- claesy(3F) CLAESY - compute the eigendecomposition of a 2-by-2 symmetric matrix ( ( A, B );( B, C ) ) provided the norm of the matrix of eigenvectors is larger than some threshold value
- claev2(3F) CLAEV2 - compute the eigendecomposition of a 2-by-2 Hermitian matrix [ A B ] [ CONJG(B) C ]
- clags2(3F) CLAGS2 - compute 2-by-2 unitary matrices U, V and Q, such that if ( UPPER ) then U'*A*Q = U'*( A1 A2 )*Q = ( x 0 ) ( 0 A3 ) ( x x ) and V'*B*Q = V'*( B1 B2 )*Q = ( x 0 ) ( 0 B3 ) ( x x ) or if ( .NOT.UPPER ) then U'*A*Q = U'*( A1 0 )*Q = ( x x ) ( A2 A3 ) ( 0 x ) and V'*B*Q = V'*( B1 0 )*Q = ( x x ) ( B2 B3 ) ( 0 x ) where U = ( CSU SNU ), V = ( CSV SNV ),
- clagtm(3F) CLAGTM - perform a matrix-vector product of the form B := alpha * A * X + beta * B where A is a tridiagonal matrix of order N, B and X are N by NRHS matrices, and alpha and beta are real scalars, each of which may be 0., 1., or -1
- clahef(3F) CLAHEF - compute a partial factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method
- clahqr(3F) CLAHQR - i an auxiliary routine called by CHSEQR to update the eigenvalues and Schur decomposition already computed by CHSEQR, by dealing with the Hessenberg submatrix in rows and columns ILO to IHI
- clahrd(3F) CLAHRD - reduce the first NB columns of a complex general n-by-(n-k+1) matrix A so that elements below the k-th subdiagonal are zero
- claic1(3F) CLAIC1 - applie one step of incremental condition estimation in its simplest version
- clangb(3F) CLANGB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n band matrix A, with kl sub-diagonals and ku super-diagonals
- clange(3F) CLANGE - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex matrix A
- clangt(3F) CLANGT - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex tridiagonal matrix A
- clanhb(3F) CLANHB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n hermitian band matrix A, with k super-diagonals
- clanhe(3F) CLANHE - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex hermitian matrix A
- clanhp(3F) CLANHP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex hermitian matrix A, supplied in packed form
- clanhs(3F) CLANHS - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a Hessenberg matrix A
- clanht(3F) CLANHT - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex Hermitian tridiagonal matrix A
- clansb(3F) CLANSB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n symmetric band matrix A, with k super-diagonals
- clansp(3F) CLANSP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex symmetric matrix A, supplied in packed form
- clansy(3F) CLANSY - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex symmetric matrix A
- clantb(3F) CLANTB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n triangular band matrix A, with ( k + 1 ) diagonals
- clantp(3F) CLANTP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a triangular matrix A, supplied in packed form
- clantr(3F) CLANTR - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a trapezoidal or triangular matrix A
- clapll(3F) CLAPLL - two column vectors X and Y, let A = ( X Y )
- clapmt(3F) CLAPMT - rearrange the columns of the M by N matrix X as specified by the permutation K(1),K(2),...,K(N) of the integers 1,...,N
- claqgb(3F) CLAQGB - equilibrate a general M by N band matrix A with KL subdiagonals and KU superdiagonals using the row and scaling factors in the vectors R and C
- claqge(3F) CLAQGE - equilibrate a general M by N matrix A using the row and scaling factors in the vectors R and C
- claqhb(3F) CLAQHB - equilibrate a symmetric band matrix A using the scaling factors in the vector S
- claqhe(3F) CLAQHE - equilibrate a Hermitian matrix A using the scaling factors in the vector S
- claqhp(3F) CLAQHP - equilibrate a Hermitian matrix A using the scaling factors in the vector S
- claqsb(3F) CLAQSB - equilibrate a symmetric band matrix A using the scaling factors in the vector S
- claqsp(3F) CLAQSP - equilibrate a symmetric matrix A using the scaling factors in the vector S
- claqsy(3F) CLAQSY - equilibrate a symmetric matrix A using the scaling factors in the vector S
- clar2v(3F) CLAR2V - applie a vector of complex plane rotations with real cosines from both sides to a sequence of 2-by-2 complex Hermitian matrices,
- clarf(3F) CLARF - applie a complex elementary reflector H to a complex M-by-N matrix C, from either the left or the right
- clarfb(3F) CLARFB - applie a complex block reflector H or its transpose H' to a complex M-by-N matrix C, from either the left or the right
- clarfg(3F) CLARFG - generate a complex elementary reflector H of order n, such that H' * ( alpha ) = ( beta ), H' * H = I
- clarft(3F) CLARFT - form the triangular factor T of a complex block reflector H of order n, which is defined as a product of k elementary reflectors
- clarfx(3F) CLARFX - applie a complex elementary reflector H to a complex m by n matrix C, from either the left or the right
- clargv(3F) CLARGV - generate a vector of complex plane rotations with real cosines, determined by elements of the complex vectors x and y
- clarnv(3F) CLARNV - return a vector of n random complex numbers from a uniform or normal distribution
- clartg(3F) CLARTG - generate a plane rotation so that [ CS SN ] [ F ] [ R ] [ __ ]
- clartv(3F) CLARTV - applie a vector of complex plane rotations with real cosines to elements of the complex vectors x and y
- clascl(3F) CLASCL - multiplie the M by N complex matrix A by the real scalar CTO/CFROM
- claset(3F) CLASET - initialize a 2-D array A to BETA on the diagonal and ALPHA on the offdiagonals
- clasr(3F) CLASR - perform the transformation A := P*A, when SIDE = 'L' or 'l' ( Left-hand side ) A := A*P', when SIDE = 'R' or 'r' ( Right-hand side ) where A is an m by n complex matrix and P is an orthogonal matrix,
- classq(3F) CLASSQ - return the values scl and ssq such that ( scl**2 )*ssq = x( 1 )**2 +...+ x( n )**2 + ( scale**2 )*sumsq,
- claswp(3F) CLASWP - perform a series of row interchanges on the matrix A
- clasyf(3F) CLASYF - compute a partial factorization of a complex symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- clatbs(3F) CLATBS - solve one of the triangular systems A * x = s*b, A**T * x = s*b, or A**H * x = s*b,
- clatps(3F) CLATPS - solve one of the triangular systems A * x = s*b, A**T * x = s*b, or A**H * x = s*b,
- clatrd(3F) CLATRD - reduce NB rows and columns of a complex Hermitian matrix A to Hermitian tridiagonal form by a unitary similarity transformation Q' * A * Q, and returns the matrices V and W which are needed to apply the transformation to the unreduced part of A
- clatrs(3F) CLATRS - solve one of the triangular systems A * x = s*b, A**T * x = s*b, or A**H * x = s*b,
- clatzm(3F) CLATZM - applie a Householder matrix generated by CTZRQF to a matrix
- clauu2(3F) CLAUU2 - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- clauum(3F) CLAUUM - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- COMBAK(3F) COMBAK, SCOMBAK - EISPACK routine. This subroutine forms the eigenvectors of a COMPLEX GENERAL matrix by back transforming those of the corresponding upper Hessenberg matrix determined by COMHES.
- COMHES(3F) COMHES, SCOMHES - EISPACK routine. Given a COMPLEX GENERAL matrix, this subroutine reduces a submatrix situated in rows and columns LOW through IGH to upper Hessenberg form by stabilized elementary similarity transformations.
- COMLR(3F) COMLR, SCOMLR - EISPACK routine. This subroutine finds the eigenvalues of a COMPLEX UPPER Hessenberg matrix by the modified LR method.
- COMLR2(3F) COMLR2, SCOMLR2 - EISPACK routine. This subroutine finds the eigenvalues and eigenvectors of a COMPLEX UPPER Hessenberg matrix by the modified LR method. The eigenvectors of a COMPLEX GENERAL matrix can also be found if COMHES has been used to reduce this general matrix to Hessenberg form.
- COMQR(3F) COMQR, SCOMQR - EISPACK routine. This subroutine finds the eigenvalues of a COMPLEX upper Hessenberg matrix by the QR method.
- COMQR2(3F) COMQR2, SCOMQR2 - EISPACK routine. This subroutine finds the eigenvalues and eigenvectors of a COMPLEX UPPER Hessenberg matrix by the QR method. The eigenvectors of a COMPLEX GENERAL matrix can also be found if CORTH has been used to reduce this general matrix to Hessenberg form.
- conjg(3F) conjg, dconjg, qconjg - FORTRAN complex conjugate intrinsic function
- conv(3F) conv, libconv, convolution, correlation - Convolution and Correlation Library
- copy(3F) SCOPY, DCOPY, CCOPY, ZCOPY - Copies a real or complex vector into another real or complex vector
- cor1d(3F) SCOR1D, DCOR1D, CCOR1D, ZCOR1D - 1D Correlation in the time domain.
- cor2d(3F) SCOR2D, DCOR2D, CCOR2D, ZCOR2D - 2D Correlation in the space domain.
- corm1d(3F) SCORM1D, DCORM1D, CCORM1D, ZCORM1D - N 1D convolutions in the time domain.
- CORTB(3F) CORTB, SCORTB - EISPACK routine. This subroutine forms the eigenvectors of a COMPLEX GENERAL matrix by back transforming those of the corresponding upper Hessenberg matrix determined by CORTH.
- CORTH(3F) CORTH, SCORTH - EISPACK routine. Given a COMPLEX GENERAL matrix, this subroutine reduces a submatrix situated in rows and columns LOW through IGH to upper Hessenberg form by unitary similarity transformations.
- cos(3F) cos, dcos, qcos, ccos, zcos, cqcos, cosd, dcosd, qcosd - FORTRAN cosine intrinsic function
- cosh(3F) cosh, dcosh, qcosh - FORTRAN hyperbolic cosine intrinsic function
- CPBCO(3F) CPBCO - CPBCO factors a complex Hermitian positive definite matrix stored in band form and estimates the condition of the matrix.
- cpbcon(3F) CPBCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite band matrix using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPBTRF
- CPBDI(3F) CPBDI - CPBDI computes the determinant of a complex Hermitian positive definite band matrix using the factors computed by CPBCO or CPBFA. If the inverse is needed, use CPBSL N times.
- cpbequ(3F) CPBEQU - compute row and column scalings intended to equilibrate a Hermitian positive definite band matrix A and reduce its condition number (with respect to the two-norm)
- CPBFA(3F) CPBFA - CPBFA factors a complex Hermitian positive definite matrix stored in band form.
- cpbrfs(3F) CPBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and banded, and provides error bounds and backward error estimates for the solution
- CPBSL(3F) CPBSL - CPBSL solves the complex Hermitian positive definite band system A*X = B using the factors computed by CPBCO or CPBFA.
- cpbstf(3F) CPBSTF - compute a split Cholesky factorization of a complex Hermitian positive definite band matrix A
- cpbsv(3F) CPBSV - compute the solution to a complex system of linear equations A * X = B,
- cpbsvx(3F) CPBSVX - use the Cholesky factorization A = U**H*U or A = L*L**H to compute the solution to a complex system of linear equations A * X = B,
- cpbtf2(3F) CPBTF2 - compute the Cholesky factorization of a complex Hermitian positive definite band matrix A
- cpbtrf(3F) CPBTRF - compute the Cholesky factorization of a complex Hermitian positive definite band matrix A
- cpbtrs(3F) CPBTRS - solve a system of linear equations A*X = B with a Hermitian positive definite band matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPBTRF
- CPOCO(3F) CPOCO - CPOCO factors a complex Hermitian positive definite matrix and estimates the condition of the matrix.
- cpocon(3F) CPOCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite matrix using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPOTRF
- CPODI(3F) CPODI - CPODI computes the determinant and inverse of a certain complex Hermitian positive definite matrix (see below) using the factors computed by CPOCO, CPOFA or CQRDC.
- cpoequ(3F) CPOEQU - compute row and column scalings intended to equilibrate a Hermitian positive definite matrix A and reduce its condition number (with respect to the two-norm)
- CPOFA(3F) CPOFA - CPOFA factors a complex Hermitian positive definite matrix.
- cporfs(3F) CPORFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite,
- CPOSL(3F) CPOSL - CPOSL solves the COMPLEX Hermitian positive definite system A * X = B using the factors computed by CPOCO or CPOFA.
- cposv(3F) CPOSV - compute the solution to a complex system of linear equations A * X = B,
- cposvx(3F) CPOSVX - use the Cholesky factorization A = U**H*U or A = L*L**H to compute the solution to a complex system of linear equations A * X = B,
- cpotf2(3F) CPOTF2 - compute the Cholesky factorization of a complex Hermitian positive definite matrix A
- cpotrf(3F) CPOTRF - compute the Cholesky factorization of a complex Hermitian positive definite matrix A
- cpotri(3F) CPOTRI - compute the inverse of a complex Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPOTRF
- cpotrs(3F) CPOTRS - solve a system of linear equations A*X = B with a Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPOTRF
- CPPCO(3F) CPPCO - CPPCO factors a complex Hermitian positive definite matrix stored in packed form and estimates the condition of the matrix.
- cppcon(3F) CPPCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite packed matrix using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPPTRF
- CPPDI(3F) CPPDI - CPPDI computes the determinant and inverse of a complex Hermitian positive definite matrix using the factors computed by CPPCO or CPPFA .
- cppequ(3F) CPPEQU - compute row and column scalings intended to equilibrate a Hermitian positive definite matrix A in packed storage and reduce its condition number (with respect to the two-norm)
- CPPFA(3F) CPPFA - CPPFA factors a complex Hermitian positive definite matrix stored in packed form.
- cpprfs(3F) CPPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and packed, and provides error bounds and backward error estimates for the solution
- CPPSL(3F) CPPSL - CPPSL solves the complex Hermitian positive definite system A * X = B using the factors computed by CPPCO or CPPFA.
- cppsv(3F) CPPSV - compute the solution to a complex system of linear equations A * X = B,
- cppsvx(3F) CPPSVX - use the Cholesky factorization A = U**H*U or A = L*L**H to compute the solution to a complex system of linear equations A * X = B,
- cpptrf(3F) CPPTRF - compute the Cholesky factorization of a complex Hermitian positive definite matrix A stored in packed format
- cpptri(3F) CPPTRI - compute the inverse of a complex Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPPTRF
- cpptrs(3F) CPPTRS - solve a system of linear equations A*X = B with a Hermitian positive definite matrix A in packed storage using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPPTRF
- cprod1d(3F) cprod1d, zprod1d - Compute the product of a 1D Fourier transform with a 1D filter.
- cprod2d(3F) cprod2d, zprod2d - Compute the product of a 2D Fourier transforms with a 2D filter.
- cprod3d(3F) cprod3d, zprod3d - Compute the product of a 3D Fourier transforms with a 3D filter.
- cprodm1d(3F) cprodm1d, zprodm1d - Compute the product of Multiple 1D Fourier transforms with Multiple 1D filters.
- cptcon(3F) CPTCON - compute the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite tridiagonal matrix using the factorization A = L*D*L**H or A = U**H*D*U computed by CPTTRF
- cpteqr(3F) CPTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric positive definite tridiagonal matrix by first factoring the matrix using SPTTRF and then calling CBDSQR to compute the singular values of the bidiagonal factor
- cptrfs(3F) CPTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and tridiagonal, and provides error bounds and backward error estimates for the solution
- CPTSL(3F) CPTSL - CPTSL given a positive definite tridiagonal matrix and a right hand side will find the solution.
- cptsv(3F) CPTSV - compute the solution to a complex system of linear equations A*X = B, where A is an N-by-N Hermitian positive definite tridiagonal matrix, and X and B are N-by-NRHS matrices
- cptsvx(3F) CPTSVX - use the factorization A = L*D*L**H to compute the solution to a complex system of linear equations A*X = B, where A is an N-by-N Hermitian positive definite tridiagonal matrix and X and B are N-by-NRHS matrices
- cpttrf(3F) CPTTRF - compute the factorization of a complex Hermitian positive definite tridiagonal matrix A
- cpttrs(3F) CPTTRS - solve a system of linear equations A * X = B with a Hermitian positive definite tridiagonal matrix A using the factorization A = U**H*D*U or A = L*D*L**H computed by CPTTRF
- CQRDC(3F) CQRDC - CQRDC uses Householder transformations to compute the QR factorization of an N by P matrix X. Column pivoting based on the 2- norms of the reduced columns may be performed at the users option.
- CQRSL(3F) CQRSL - CQRSL applies the output of CQRDC to compute coordinate transformations, projections, and least squares solutions. For K .LE. MIN(N,P), let XK be the matrix
- CRFFT2(3F) CRFFT2 - Calculate a complex-to-real Fourier synthesis/analysis.
- cry2mips(3F) CRY2MIPS, MIPS2CRY - Converts Fortran data types between Cray Fortran data types and MIPS IEEE Fortran data types
- cscal1d(3F) cscal1d, zscal1d - scales a 1D real sequence.
- cscal2d(3F) cscal2d, zscal2d - scales a 2D complex sequence.
- cscal3d(3F) cscal3d, zscal3d - scales a 3D complex sequence.
- cscalm1d(3F) cscalm1d, zscalm1d - scales Multiple 1D complex sequences.
- csfft1du(3F) csfft1du, zdfft1du - 1D, Complex to Real, Inverse Fast Fourier Transforms.
- csfft2du(3F) csfft2du, zdfft2du - 2D, Complex-to-Real, Inverse Fast Fourier Transforms.
- csfft3du(3F) csfft3du, zdfft3du - 3D, Complex to Real, Inverse Fast Fourier Transforms.
- csfftm1du(3F) csfftm1du, zdfftm1du - Multiple 1D, Complex to Real, Inverse Fast Fourier Transforms.
- CSICO(3F) CSICO - CSICO factors a complex symmetric matrix by elimination with symmetric pivoting and estimates the condition of the matrix.
- CSIDI(3F) CSIDI - CSIDI computes the determinant and inverse of a complex symmetric matrix using the factors from CSIFA.
- CSIFA(3F) CSIFA - CSIFA factors a complex symmetric matrix by elimination with symmetric pivoting.
- CSISL(3F) CSISL - CSISL solves the complex symmetric system A * X = B using the factors computed by CSIFA.
- CSPCO(3F) CSPCO - CSPCO factors a complex symmetric matrix stored in packed form by elimination with symmetric pivoting and estimates the condition of the matrix.
- cspcon(3F) CSPCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex symmetric packed matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by CSPTRF
- CSPDI(3F) CSPDI - CSPDI computes the determinant and inverse of a complex symmetric matrix using the factors from CSPFA, where the matrix is stored in packed form.
- CSPFA(3F) CSPFA - CSPFA factors a complex symmetric matrix stored in packed form by elimination with symmetric pivoting.
- cspr(3F) CSPR - perform the symmetric rank 1 operation A := alpha*x*conjg( x' ) + A,
- csprfs(3F) CSPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite and packed, and provides error bounds and backward error estimates for the solution
- CSPSL(3F) CSPSL - CSISL solves the complex symmetric system A * X = B using the factors computed by CSPFA.
- cspsv(3F) CSPSV - compute the solution to a complex system of linear equations A * X = B,
- cspsvx(3F) CSPSVX - use the diagonal pivoting factorization A = U*D*U**T or A = L*D*L**T to compute the solution to a complex system of linear equations A * X = B, where A is an N-by-N symmetric matrix stored in packed format and X and B are N-by-NRHS matrices
- csptrf(3F) CSPTRF - compute the factorization of a complex symmetric matrix A stored in packed format using the Bunch-Kaufman diagonal pivoting method
- csptri(3F) CSPTRI - compute the inverse of a complex symmetric indefinite matrix A in packed storage using the factorization A = U*D*U**T or A = L*D*L**T computed by CSPTRF
- csptrs(3F) CSPTRS - solve a system of linear equations A*X = B with a complex symmetric matrix A stored in packed format using the factorization A = U*D*U**T or A = L*D*L**T computed by CSPTRF
- CSROOT(3F) CSROOT, SCSROOT - EISPACK auxiliary routine.
- CSROT(3F) CSROT - CSROT applies the complex Givens rotation
- csrscl(3F) CSRSCL - multiplie an n-element complex vector x by the real scalar 1/a
- cstedc(3F) CSTEDC - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the divide and conquer method
- cstein(3F) CSTEIN - compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration
- csteqr(3F) CSTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or QR method
- CSVDC(3F) CSVDC - CSVDC is a subroutine to reduce a complex NxP matrix X by unitary transformations U and V to diagonal form. The diagonal elements S(I) are the singular values of X. The columns of U are the corresponding left singular vectors, and the columns of V the right singular vectors.
- csycon(3F) CSYCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by CSYTRF
- csyr(3F) CSYR - perform the symmetric rank 1 operation A := alpha*x*( x' ) + A,
- csyrfs(3F) CSYRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite, and provides error bounds and backward error estimates for the solution
- csysv(3F) CSYSV - compute the solution to a complex system of linear equations A * X = B,
- csysvx(3F) CSYSVX - use the diagonal pivoting factorization to compute the solution to a complex system of linear equations A * X = B,
- csytf2(3F) CSYTF2 - compute the factorization of a complex symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- csytrf(3F) CSYTRF - compute the factorization of a complex symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- csytri(3F) CSYTRI - compute the inverse of a complex symmetric indefinite matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by CSYTRF
- csytrs(3F) CSYTRS - solve a system of linear equations A*X = B with a complex symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by CSYTRF
- ctbcon(3F) CTBCON - estimate the reciprocal of the condition number of a triangular band matrix A, in either the 1-norm or the infinity-norm
- ctbrfs(3F) CTBRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular band coefficient matrix
- ctbtrs(3F) CTBTRS - solve a triangular system of the form A * X = B, A**T * X = B, or A**H * X = B,
- ctgevc(3F) CTGEVC - compute some or all of the right and/or left generalized eigenvectors of a pair of complex upper triangular matrices (A,B)
- ctgsja(3F) CTGSJA - compute the generalized singular value decomposition (GSVD) of two complex upper triangular (or trapezoidal) matrices A and B
- ctpcon(3F) CTPCON - estimate the reciprocal of the condition number of a packed triangular matrix A, in either the 1-norm or the infinity-norm
- ctprfs(3F) CTPRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular packed coefficient matrix
- ctptri(3F) CTPTRI - compute the inverse of a complex upper or lower triangular matrix A stored in packed format
- ctptrs(3F) CTPTRS - solve a triangular system of the form A * X = B, A**T * X = B, or A**H * X = B,
- CTRCO(3F) CTRCO - CTRCO estimates the condition of a complex triangular matrix.
- ctrcon(3F) CTRCON - estimate the reciprocal of the condition number of a triangular matrix A, in either the 1-norm or the infinity-norm
- CTRDI(3F) CTRDI - CTRDI computes the determinant and inverse of a complex triangular matrix.
- ctrevc(3F) CTREVC - compute some or all of the right and/or left eigenvectors of a complex upper triangular matrix T
- ctrexc(3F) CTREXC - reorder the Schur factorization of a complex matrix A = Q*T*Q**H, so that the diagonal element of T with row index IFST is moved to row ILST
- ctrrfs(3F) CTRRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular coefficient matrix
- ctrsen(3F) CTRSEN - reorder the Schur factorization of a complex matrix A = Q*T*Q**H, so that a selected cluster of eigenvalues appears in the leading positions on the diagonal of the upper triangular matrix T, and the leading columns of Q form an orthonormal basis of the corresponding right invariant subspace
- CTRSL(3F) CTRSL - CTRSL solves systems of the form
- ctrsna(3F) CTRSNA - estimate reciprocal condition numbers for specified eigenvalues and/or right eigenvectors of a complex upper triangular matrix T (or of any matrix Q*T*Q**H with Q unitary)
- ctrsyl(3F) CTRSYL - solve the complex Sylvester matrix equation
- ctrti2(3F) CTRTI2 - compute the inverse of a complex upper or lower triangular matrix
- ctrtri(3F) CTRTRI - compute the inverse of a complex upper or lower triangular matrix A
- ctrtrs(3F) CTRTRS - solve a triangular system of the form A * X = B, A**T * X = B, or A**H * X = B,
- ctzrqf(3F) CTZRQF - reduce the M-by-N ( M<=N ) complex upper trapezoidal matrix A to upper triangular form by means of unitary transformations
- cung2l(3F) CUNG2L - generate an m by n complex matrix Q with orthonormal columns,
- cung2r(3F) CUNG2R - generate an m by n complex matrix Q with orthonormal columns,
- cungbr(3F) CUNGBR - generate one of the complex unitary matrices Q or P**H determined by CGEBRD when reducing a complex matrix A to bidiagonal form
- cunghr(3F) CUNGHR - generate a complex unitary matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by CGEHRD
- cungl2(3F) CUNGL2 - generate an m-by-n complex matrix Q with orthonormal rows,
- cunglq(3F) CUNGLQ - generate an M-by-N complex matrix Q with orthonormal rows,
- cungql(3F) CUNGQL - generate an M-by-N complex matrix Q with orthonormal columns,
- cungqr(3F) CUNGQR - generate an M-by-N complex matrix Q with orthonormal columns,
- cungr2(3F) CUNGR2 - generate an m by n complex matrix Q with orthonormal rows,
- cungrq(3F) CUNGRQ - generate an M-by-N complex matrix Q with orthonormal rows,
- cungtr(3F) CUNGTR - generate a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors of order N, as returned by CHETRD
- cunm2l(3F) CUNM2L - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- cunm2r(3F) CUNM2R - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- cunmbr(3F) CUNMBR - VECT = 'Q', CUNMBR overwrites the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- cunmhr(3F) CUNMHR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- cunml2(3F) CUNML2 - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- cunmlq(3F) CUNMLQ - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- cunmql(3F) CUNMQL - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- cunmqr(3F) CUNMQR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- cunmr2(3F) CUNMR2 - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- cunmrq(3F) CUNMRQ - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- cunmtr(3F) CUNMTR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- cupgtr(3F) CUPGTR - generate a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by CHPTRD using packed storage
- cupmtr(3F) CUPMTR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dbdsqr(3F) DBDSQR - compute the singular value decomposition (SVD) of a real N-by-N (upper or lower) bidiagonal matrix B
- DCHDC(3F) DCHDC - DCHDC computes the Cholesky decomposition of a positive definite matrix. A pivoting option allows the user to estimate the condition of a positive definite matrix or determine the rank of a positive semidefinite matrix.
- DCHDD(3F) DCHDD - DCHDD downdates an augmented Cholesky decomposition or the triangular factor of an augmented QR decomposition. Specifically, given an upper triangular matrix R of order P, a row vector X, a column vector Z, and a scalar Y, DCHDD determines an orthogonal matrix U and a scalar ZETA such that
- DCHEX(3F) DCHEX - DCHEX updates the Cholesky factorization
- DCHUD(3F) DCHUD - DCHUD updates an augmented Cholesky decomposition of the triangular part of an augmented QR decomposition. Specifically, given an upper triangular matrix R of order P, a row vector X, a column vector Z, and a scalar Y, DCHUD determines a untiary matrix U and a scalar ZETA such that
- ddisna(3F) DDISNA - compute the reciprocal condition numbers for the eigenvectors of a real symmetric or complex Hermitian matrix or for the left or right singular vectors of a general m-by-n matrix
- dgbbrd(3F) DGBBRD - reduce a real general m-by-n band matrix A to upper bidiagonal form B by an orthogonal transformation
- DGBCO(3F) DGBCO - DGBCO factors a double precision band matrix by Gaussian elimination and estimates the condition of the matrix.
- dgbcon(3F) DGBCON - estimate the reciprocal of the condition number of a real general band matrix A, in either the 1-norm or the infinity-norm,
- DGBDI(3F) DGBDI - DGBDI computes the determinant of a band matrix using the factors computed by DGBCO or DGBFA. If the inverse is needed, use DGBSL N times.
- dgbequ(3F) DGBEQU - compute row and column scalings intended to equilibrate an M- by-N band matrix A and reduce its condition number
- DGBFA(3F) DGBFA - DGBFA factors a double precision band matrix by elimination.
- dgbrfs(3F) DGBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is banded, and provides error bounds and backward error estimates for the solution
- DGBSL(3F) DGBSL - DGBSL solves the double precision band system A * X = B or TRANS(A) * X = B using the factors computed by DGBCO or DGBFA.
- dgbsv(3F) DGBSV - compute the solution to a real system of linear equations A * X = B, where A is a band matrix of order N with KL subdiagonals and KU superdiagonals, and X and B are N-by-NRHS matrices
- dgbsvx(3F) DGBSVX - use the LU factorization to compute the solution to a real system of linear equations A * X = B, A**T * X = B, or A**H * X = B,
- dgbtf2(3F) DGBTF2 - compute an LU factorization of a real m-by-n band matrix A using partial pivoting with row interchanges
- dgbtrf(3F) DGBTRF - compute an LU factorization of a real m-by-n band matrix A using partial pivoting with row interchanges
- dgbtrs(3F) DGBTRS - solve a system of linear equations A * X = B or A' * X = B with a general band matrix A using the LU factorization computed by DGBTRF
- dgebak(3F) DGEBAK - form the right or left eigenvectors of a real general matrix by backward transformation on the computed eigenvectors of the balanced matrix output by DGEBAL
- dgebal(3F) DGEBAL - balance a general real matrix A
- dgebd2(3F) DGEBD2 - reduce a real general m by n matrix A to upper or lower bidiagonal form B by an orthogonal transformation
- dgebrd(3F) DGEBRD - reduce a general real M-by-N matrix A to upper or lower bidiagonal form B by an orthogonal transformation
- DGECO(3F) DGECO - DGECO factors a double precision matrix by Gaussian elimination and estimates the condition of the matrix.
- dgecon(3F) DGECON - estimate the reciprocal of the condition number of a general real matrix A, in either the 1-norm or the infinity-norm, using the LU factorization computed by DGETRF
- DGEDI(3F) DGEDI - DGEDI computes the determinant and inverse of a matrix using the factors computed by DGECO or DGEFA.
- dgeequ(3F) DGEEQU - compute row and column scalings intended to equilibrate an M- by-N matrix A and reduce its condition number
- dgees(3F) DGEES - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues, the real Schur form T, and, optionally, the matrix of Schur vectors Z
- dgeesx(3F) DGEESX - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues, the real Schur form T, and, optionally, the matrix of Schur vectors Z
- dgeev(3F) DGEEV - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- dgeevx(3F) DGEEVX - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- DGEFA(3F) DGEFA - DGEFA factors a double precision matrix by Gaussian elimination.
- dgegs(3F) DGEGS - compute for a pair of N-by-N real nonsymmetric matrices A, B
- dgegv(3F) DGEGV - compute for a pair of n-by-n real nonsymmetric matrices A and B, the generalized eigenvalues (alphar +/- alphai*i, beta), and optionally, the left and/or right generalized eigenvectors (VL and VR)
- dgehd2(3F) DGEHD2 - reduce a real general matrix A to upper Hessenberg form H by an orthogonal similarity transformation
- dgehrd(3F) DGEHRD - reduce a real general matrix A to upper Hessenberg form H by an orthogonal similarity transformation
- dgelq2(3F) DGELQ2 - compute an LQ factorization of a real m by n matrix A
- dgelqf(3F) DGELQF - compute an LQ factorization of a real M-by-N matrix A
- dgels(3F) DGELS - solve overdetermined or underdetermined real linear systems involving an M-by-N matrix A, or its transpose, using a QR or LQ factorization of A
- dgelss(3F) DGELSS - compute the minimum norm solution to a real linear least squares problem
- dgelsx(3F) DGELSX - compute the minimum-norm solution to a real linear least squares problem
- dgeql2(3F) DGEQL2 - compute a QL factorization of a real m by n matrix A
- dgeqlf(3F) DGEQLF - compute a QL factorization of a real M-by-N matrix A
- dgeqpf(3F) DGEQPF - compute a QR factorization with column pivoting of a real M-by-N matrix A
- dgeqr2(3F) DGEQR2 - compute a QR factorization of a real m by n matrix A
- dgeqrf(3F) DGEQRF - compute a QR factorization of a real M-by-N matrix A
- dgerfs(3F) DGERFS - improve the computed solution to a system of linear equations and provides error bounds and backward error estimates for the solution
- dgerq2(3F) DGERQ2 - compute an RQ factorization of a real m by n matrix A
- dgerqf(3F) DGERQF - compute an RQ factorization of a real M-by-N matrix A
- DGESL(3F) DGESL - DGESL solves the double precision system A * X = B or TRANS(A) * X = B using the factors computed by DGECO or DGEFA.
- dgesv(3F) DGESV - compute the solution to a real system of linear equations A * X = B,
- dgesvd(3F) DGESVD - compute the singular value decomposition (SVD) of a real M-by-N matrix A, optionally computing the left and/or right singular vectors
- dgesvx(3F) DGESVX - use the LU factorization to compute the solution to a real system of linear equations A * X = B,
- dgetf2(3F) DGETF2 - compute an LU factorization of a general m-by-n matrix A using partial pivoting with row interchanges
- dgetrf(3F) DGETRF - compute an LU factorization of a general M-by-N matrix A using partial pivoting with row interchanges
- dgetri(3F) DGETRI - compute the inverse of a matrix using the LU factorization computed by DGETRF
- dgetrs(3F) DGETRS - solve a system of linear equations A * X = B or A' * X = B with a general N-by-N matrix A using the LU factorization computed by DGETRF
- dggbak(3F) DGGBAK - form the right or left eigenvectors of a real generalized eigenvalue problem A*x = lambda*B*x, by backward transformation on the computed eigenvectors of the balanced pair of matrices output by DGGBAL
- dggbal(3F) DGGBAL - balance a pair of general real matrices (A,B)
- dggglm(3F) DGGGLM - solve a general Gauss-Markov linear model (GLM) problem
- dgghrd(3F) DGGHRD - reduce a pair of real matrices (A,B) to generalized upper Hessenberg form using orthogonal transformations, where A is a general matrix and B is upper triangular
- dgglse(3F) DGGLSE - solve the linear equality-constrained least squares (LSE) problem
- dggqrf(3F) DGGQRF - compute a generalized QR factorization of an N-by-M matrix A and an N-by-P matrix B
- dggrqf(3F) DGGRQF - compute a generalized RQ factorization of an M-by-N matrix A and a P-by-N matrix B
- dggsvd(3F) DGGSVD - compute the generalized singular value decomposition (GSVD) of an M-by-N real matrix A and P-by-N real matrix B
- dggsvp(3F) DGGSVP - compute orthogonal matrices U, V and Q such that N-K-L K L U'*A*Q = K ( 0 A12 A13 ) if M-K-L >= 0
- dgtcon(3F) DGTCON - estimate the reciprocal of the condition number of a real tridiagonal matrix A using the LU factorization as computed by DGTTRF
- dgtrfs(3F) DGTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is tridiagonal, and provides error bounds and backward error estimates for the solution
- DGTSL(3F) DGTSL - DGTSL given a general tridiagonal matrix and a right hand side will find the solution.
- dgtsv(3F) DGTSV - solve the equation A*X = B,
- dgtsvx(3F) DGTSVX - use the LU factorization to compute the solution to a real system of linear equations A * X = B or A**T * X = B,
- dgttrf(3F) DGTTRF - compute an LU factorization of a real tridiagonal matrix A using elimination with partial pivoting and row interchanges
- dgttrs(3F) DGTTRS - solve one of the systems of equations A*X = B or A'*X = B,
- dhgeqz(3F) DHGEQZ - implement a single-/double-shift version of the QZ method for finding the generalized eigenvalues w(j)=(ALPHAR(j) + i*ALPHAI(j))/BETAR(j) of the equation det( A - w(i) B ) = 0 In addition, the pair A,B may be reduced to generalized Schur form
- dhsein(3F) DHSEIN - use inverse iteration to find specified right and/or left eigenvectors of a real upper Hessenberg matrix H
- dhseqr(3F) DHSEQR - compute the eigenvalues of a real upper Hessenberg matrix H and, optionally, the matrices T and Z from the Schur decomposition H = Z T Z**T, where T is an upper quasi-triangular matrix (the Schur form), and Z is the orthogonal matrix of Schur vectors
- dim(3F) dim, ddim, qdim, idim, iidim, jidim - FORTRAN positive difference intrinsic functions
- dlabad(3F) DLABAD - take as input the values computed by SLAMCH for underflow and overflow, and returns the square root of each of these values if the log of LARGE is sufficiently large
- dlabrd(3F) DLABRD - reduce the first NB rows and columns of a real general m by n matrix A to upper or lower bidiagonal form by an orthogonal transformation Q' * A * P, and returns the matrices X and Y which are needed to apply the transformation to the unreduced part of A
- dlacon(3F) DLACON - estimate the 1-norm of a square, real matrix A
- dlacpy(3F) DLACPY - copie all or part of a two-dimensional matrix A to another matrix B
- dladiv(3F) DLADIV - perform complex division in real arithmetic a + i*b p + i*q = --------- c + i*d The algorithm is due to Robert L
- dlae2(3F) DLAE2 - compute the eigenvalues of a 2-by-2 symmetric matrix [ A B ] [ B C ]
- dlaebz(3F) DLAEBZ - contain the iteration loops which compute and use the function N(w), which is the count of eigenvalues of a symmetric tridiagonal matrix T less than or equal to its argument w
- dlaed0(3F) DLAED0 - compute all eigenvalues and corresponding eigenvectors of a symmetric tridiagonal matrix using the divide and conquer method
- dlaed1(3F) DLAED1 - compute the updated eigensystem of a diagonal matrix after modification by a rank-one symmetric matrix
- dlaed2(3F) DLAED2 - merge the two sets of eigenvalues together into a single sorted set
- dlaed3(3F) DLAED3 - find the roots of the secular equation, as defined by the values in D, W, and RHO, between KSTART and KSTOP
- dlaed4(3F) DLAED4 - subroutine computes the I-th updated eigenvalue of a symmetric rank-one modification to a diagonal matrix whose elements are given in the array d, and that D(i) < D(j) for i < j and that RHO > 0
- dlaed5(3F) DLAED5 - subroutine computes the I-th eigenvalue of a symmetric rank-one modification of a 2-by-2 diagonal matrix diag( D ) + RHO The diagonal elements in the array D are assumed to satisfy D(i) < D(j) for i < j
- dlaed6(3F) DLAED6 - compute the positive or negative root (closest to the origin) of z(1) z(2) z(3) f(x) = rho + --------- + ---------- + --------- d(1)-x d(2)-x d(3)-x It is assumed that if ORGATI = .true
- dlaed7(3F) DLAED7 - compute the updated eigensystem of a diagonal matrix after modification by a rank-one symmetric matrix
- dlaed8(3F) DLAED8 - merge the two sets of eigenvalues together into a single sorted set
- dlaed9(3F) DLAED9 - find the roots of the secular equation, as defined by the values in D, Z, and RHO, between KSTART and KSTOP
- dlaeda(3F) DLAEDA - compute the Z vector corresponding to the merge step in the CURLVLth step of the merge process with TLVLS steps for the CURPBMth problem
- dlaein(3F) DLAEIN - use inverse iteration to find a right or left eigenvector corresponding to the eigenvalue (WR,WI) of a real upper Hessenberg matrix H
- dlaev2(3F) DLAEV2 - compute the eigendecomposition of a 2-by-2 symmetric matrix [ A B ] [ B C ]
- dlaexc(3F) DLAEXC - swap adjacent diagonal blocks T11 and T22 of order 1 or 2 in an upper quasi-triangular matrix T by an orthogonal similarity transformation
- dlag2(3F) DLAG2 - compute the eigenvalues of a 2 x 2 generalized eigenvalue problem A - w B, with scaling as necessary to avoid over-/underflow
- dlags2(3F) DLAGS2 - compute 2-by-2 orthogonal matrices U, V and Q, such that if ( UPPER ) then U'*A*Q = U'*( A1 A2 )*Q = ( x 0 ) ( 0 A3 ) ( x x ) and V'*B*Q = V'*( B1 B2 )*Q = ( x 0 ) ( 0 B3 ) ( x x ) or if ( .NOT.UPPER ) then U'*A*Q = U'*( A1 0 )*Q = ( x x ) ( A2 A3 ) ( 0 x ) and V'*B*Q = V'*( B1 0 )*Q = ( x x ) ( B2 B3 ) ( 0 x ) The rows of the transformed A and B are parallel, where U = ( CSU SNU ), V = ( CSV SNV ), Q = ( CSQ SNQ ) ( -SNU CSU ) ( -SNV CSV ) ( -SNQ CSQ ) Z' denotes the transpose of Z
- dlagtf(3F) DLAGTF - factorize the matrix (T - lambda*I), where T is an n by n tridiagonal matrix and lambda is a scalar, as T - lambda*I = PLU,
- dlagtm(3F) DLAGTM - perform a matrix-vector product of the form B := alpha * A * X + beta * B where A is a tridiagonal matrix of order N, B and X are N by NRHS matrices, and alpha and beta are real scalars, each of which may be 0., 1., or -1
- dlagts(3F) DLAGTS - may be used to solve one of the systems of equations (T - lambda*I)*x = y or (T - lambda*I)'*x = y,
- dlahqr(3F) DLAHQR - i an auxiliary routine called by DHSEQR to update the eigenvalues and Schur decomposition already computed by DHSEQR, by dealing with the Hessenberg submatrix in rows and columns ILO to IHI
- dlahrd(3F) DLAHRD - reduce the first NB columns of a real general n-by-(n-k+1) matrix A so that elements below the k-th subdiagonal are zero
- dlaic1(3F) DLAIC1 - applie one step of incremental condition estimation in its simplest version
- dlaln2(3F) DLALN2 - solve a system of the form (ca A - w D ) X = s B or (ca A' - w D) X = s B with possible scaling ("s") and perturbation of A
- dlamch(3F) DLAMCH - determine double precision machine parameters
- dlamrg(3F) DLAMRG - will create a permutation list which will merge the elements of A (which is composed of two independently sorted sets) into a single set which is sorted in ascending order
- dlangb(3F) DLANGB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n band matrix A, with kl sub-diagonals and ku super-diagonals
- dlange(3F) DLANGE - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real matrix A
- dlangt(3F) DLANGT - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real tridiagonal matrix A
- dlanhs(3F) DLANHS - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a Hessenberg matrix A
- dlansb(3F) DLANSB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n symmetric band matrix A, with k super-diagonals
- dlansp(3F) DLANSP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric matrix A, supplied in packed form
- dlanst(3F) DLANST - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric tridiagonal matrix A
- dlansy(3F) DLANSY - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric matrix A
- dlantb(3F) DLANTB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n triangular band matrix A, with ( k + 1 ) diagonals
- dlantp(3F) DLANTP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a triangular matrix A, supplied in packed form
- dlantr(3F) DLANTR - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a trapezoidal or triangular matrix A
- dlanv2(3F) DLANV2 - compute the Schur factorization of a real 2-by-2 nonsymmetric matrix in standard form
- dlapll(3F) DLAPLL - two column vectors X and Y, let A = ( X Y )
- dlapmt(3F) DLAPMT - rearrange the columns of the M by N matrix X as specified by the permutation K(1),K(2),...,K(N) of the integers 1,...,N
- dlapy2(3F) DLAPY2 - return sqrt(x**2+y**2), taking care not to cause unnecessary overflow
- dlapy3(3F) DLAPY3 - return sqrt(x**2+y**2+z**2), taking care not to cause unnecessary overflow
- dlaqgb(3F) DLAQGB - equilibrate a general M by N band matrix A with KL subdiagonals and KU superdiagonals using the row and scaling factors in the vectors R and C
- dlaqge(3F) DLAQGE - equilibrate a general M by N matrix A using the row and scaling factors in the vectors R and C
- dlaqsb(3F) DLAQSB - equilibrate a symmetric band matrix A using the scaling factors in the vector S
- dlaqsp(3F) DLAQSP - equilibrate a symmetric matrix A using the scaling factors in the vector S
- dlaqsy(3F) DLAQSY - equilibrate a symmetric matrix A using the scaling factors in the vector S
- dlaqtr(3F) DLAQTR - solve the real quasi-triangular system op(T)*p = scale*c, if LREAL = .TRUE
- dlar2v(3F) DLAR2V - applie a vector of real plane rotations from both sides to a sequence of 2-by-2 real symmetric matrices, defined by the elements of the vectors x, y and z
- dlarf(3F) DLARF - applie a real elementary reflector H to a real m by n matrix C, from either the left or the right
- dlarfb(3F) DLARFB - applie a real block reflector H or its transpose H' to a real m by n matrix C, from either the left or the right
- dlarfg(3F) DLARFG - generate a real elementary reflector H of order n, such that H * ( alpha ) = ( beta ), H' * H = I
- dlarft(3F) DLARFT - form the triangular factor T of a real block reflector H of order n, which is defined as a product of k elementary reflectors
- dlarfx(3F) DLARFX - applie a real elementary reflector H to a real m by n matrix C, from either the left or the right
- dlargv(3F) DLARGV - generate a vector of real plane rotations, determined by elements of the real vectors x and y
- dlarnv(3F) DLARNV - return a vector of n random real numbers from a uniform or normal distribution
- dlartg(3F) DLARTG - generate a plane rotation so that [ CS SN ]
- dlartv(3F) DLARTV - applie a vector of real plane rotations to elements of the real vectors x and y
- dlaruv(3F) DLARUV - return a vector of n random real numbers from a uniform (0,1)
- dlas2(3F) DLAS2 - compute the singular values of the 2-by-2 matrix [ F G ] [ 0 H ]
- dlascl(3F) DLASCL - multiplie the M by N real matrix A by the real scalar CTO/CFROM
- dlaset(3F) DLASET - initialize an m-by-n matrix A to BETA on the diagonal and ALPHA on the offdiagonals
- dlasq1(3F) DLASQ1 - DLASQ1 computes the singular values of a real N-by-N bidiagonal matrix with diagonal D and off-diagonal E
- dlasq2(3F) DLASQ2 - DLASQ2 computes the singular values of a real N-by-N unreduced bidiagonal matrix with squared diagonal elements in Q and squared off- diagonal elements in E
- dlasq3(3F) DLASQ3 - DLASQ3 is the workhorse of the whole bidiagonal SVD algorithm
- dlasq4(3F) DLASQ4 - DLASQ4 estimates TAU, the smallest eigenvalue of a matrix
- dlasr(3F) DLASR - perform the transformation A := P*A, when SIDE = 'L' or 'l' ( Left-hand side ) A := A*P', when SIDE = 'R' or 'r' ( Right-hand side ) where A is an m by n real matrix and P is an orthogonal matrix,
- dlasrt(3F) DLASRT - the numbers in D in increasing order (if ID = 'I') or in decreasing order (if ID = 'D' )
- dlassq(3F) DLASSQ - return the values scl and smsq such that ( scl**2 )*smsq = x( 1 )**2 +...+ x( n )**2 + ( scale**2 )*sumsq,
- dlasv2(3F) DLASV2 - compute the singular value decomposition of a 2-by-2 triangular matrix [ F G ] [ 0 H ]
- dlaswp(3F) DLASWP - perform a series of row interchanges on the matrix A
- dlasy2(3F) DLASY2 - solve for the N1 by N2 matrix X, 1 <= N1,N2 <= 2, in op(TL)*X + ISGN*X*op(TR) = SCALE*B,
- dlasyf(3F) DLASYF - compute a partial factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- dlatbs(3F) DLATBS - solve one of the triangular systems A *x = s*b or A'*x = s*b with scaling to prevent overflow, where A is an upper or lower triangular band matrix
- dlatps(3F) DLATPS - solve one of the triangular systems A *x = s*b or A'*x = s*b with scaling to prevent overflow, where A is an upper or lower triangular matrix stored in packed form
- dlatrd(3F) DLATRD - reduce NB rows and columns of a real symmetric matrix A to symmetric tridiagonal form by an orthogonal similarity transformation Q' * A * Q, and returns the matrices V and W which are needed to apply the transformation to the unreduced part of A
- dlatrs(3F) DLATRS - solve one of the triangular systems A *x = s*b or A'*x = s*b with scaling to prevent overflow
- dlatzm(3F) DLATZM - applie a Householder matrix generated by DTZRQF to a matrix
- dlauu2(3F) DLAUU2 - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- dlauum(3F) DLAUUM - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- dopgtr(3F) DOPGTR - generate a real orthogonal matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by DSPTRD using packed storage
- dopmtr(3F) DOPMTR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dorg2l(3F) DORG2L - generate an m by n real matrix Q with orthonormal columns,
- dorg2r(3F) DORG2R - generate an m by n real matrix Q with orthonormal columns,
- dorgbr(3F) DORGBR - generate one of the real orthogonal matrices Q or P**T determined by DGEBRD when reducing a real matrix A to bidiagonal form
- dorghr(3F) DORGHR - generate a real orthogonal matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by DGEHRD
- dorgl2(3F) DORGL2 - generate an m by n real matrix Q with orthonormal rows,
- dorglq(3F) DORGLQ - generate an M-by-N real matrix Q with orthonormal rows,
- dorgql(3F) DORGQL - generate an M-by-N real matrix Q with orthonormal columns,
- dorgqr(3F) DORGQR - generate an M-by-N real matrix Q with orthonormal columns,
- dorgr2(3F) DORGR2 - generate an m by n real matrix Q with orthonormal rows,
- dorgrq(3F) DORGRQ - generate an M-by-N real matrix Q with orthonormal rows,
- dorgtr(3F) DORGTR - generate a real orthogonal matrix Q which is defined as the product of n-1 elementary reflectors of order N, as returned by DSYTRD
- dorm2l(3F) DORM2L - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- dorm2r(3F) DORM2R - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- dormbr(3F) DORMBR - VECT = 'Q', DORMBR overwrites the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dormhr(3F) DORMHR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dorml2(3F) DORML2 - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- dormlq(3F) DORMLQ - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dormql(3F) DORMQL - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dormqr(3F) DORMQR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dormr2(3F) DORMR2 - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- dormrq(3F) DORMRQ - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dormtr(3F) DORMTR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- dot(3F) SDOT, DDOT, CDOTC, ZDOTC, CDOTU, ZDOTU - Computes a dot product (inner product) of two real or complex vectors
- DPBCO(3F) DPBCO - DPBCO factors a double precision symmetric positive definite matrix stored in band form and estimates the condition of the matrix.
- dpbcon(3F) DPBCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite band matrix using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPBTRF
- DPBDI(3F) DPBDI - DPBDI computes the determinant of a double precision symmetric positive definite band matrix using the factors computed by DPBCO or DPBFA. If the inverse is needed, use DPBSL N times.
- dpbequ(3F) DPBEQU - compute row and column scalings intended to equilibrate a symmetric positive definite band matrix A and reduce its condition number (with respect to the two-norm)
- DPBFA(3F) DPBFA - DPBFA factors a double precision symmetric positive definite matrix stored in band form.
- dpbrfs(3F) DPBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite and banded, and provides error bounds and backward error estimates for the solution
- DPBSL(3F) DPBSL - DPBSL solves the double precision symmetric positive definite band system A*X = B using the factors computed by DPBCO or DPBFA.
- dpbstf(3F) DPBSTF - compute a split Cholesky factorization of a real symmetric positive definite band matrix A
- dpbsv(3F) DPBSV - compute the solution to a real system of linear equations A * X = B,
- dpbsvx(3F) DPBSVX - use the Cholesky factorization A = U**T*U or A = L*L**T to compute the solution to a real system of linear equations A * X = B,
- dpbtf2(3F) DPBTF2 - compute the Cholesky factorization of a real symmetric positive definite band matrix A
- dpbtrf(3F) DPBTRF - compute the Cholesky factorization of a real symmetric positive definite band matrix A
- dpbtrs(3F) DPBTRS - solve a system of linear equations A*X = B with a symmetric positive definite band matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPBTRF
- DPOCO(3F) DPOCO - DPOCO factors a double precision symmetric positive definite matrix and estimates the condition of the matrix.
- dpocon(3F) DPOCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite matrix using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPOTRF
- DPODI(3F) DPODI - DPODI computes the determinant and inverse of a certain double precision symmetric positive definite matrix (see below) using the factors computed by DPOCO, DPOFA or DQRDC.
- dpoequ(3F) DPOEQU - compute row and column scalings intended to equilibrate a symmetric positive definite matrix A and reduce its condition number (with respect to the two-norm)
- DPOFA(3F) DPOFA - DPOFA factors a double precision symmetric positive definite matrix.
- dporfs(3F) DPORFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite,
- DPOSL(3F) DPOSL - DPOSL solves the double precision symmetric positive definite system A * X = B using the factors computed by DPOCO or DPOFA.
- dposv(3F) DPOSV - compute the solution to a real system of linear equations A * X = B,
- dposvx(3F) DPOSVX - use the Cholesky factorization A = U**T*U or A = L*L**T to compute the solution to a real system of linear equations A * X = B,
- dpotf2(3F) DPOTF2 - compute the Cholesky factorization of a real symmetric positive definite matrix A
- dpotrf(3F) DPOTRF - compute the Cholesky factorization of a real symmetric positive definite matrix A
- dpotri(3F) DPOTRI - compute the inverse of a real symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPOTRF
- dpotrs(3F) DPOTRS - solve a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPOTRF
- DPPCO(3F) DPPCO - DPPCO factors a double precision symmetric positive definite matrix stored in packed form and estimates the condition of the matrix.
- dppcon(3F) DPPCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite packed matrix using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPPTRF
- DPPDI(3F) DPPDI - DPPDI computes the determinant and inverse of a double precision symmetric positive definite matrix using the factors computed by DPPCO or DPPFA .
- dppequ(3F) DPPEQU - compute row and column scalings intended to equilibrate a symmetric positive definite matrix A in packed storage and reduce its condition number (with respect to the two-norm)
- DPPFA(3F) DPPFA - DPPFA factors a double precision symmetric positive definite matrix stored in packed form.
- dpprfs(3F) DPPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite and packed, and provides error bounds and backward error estimates for the solution
- DPPSL(3F) DPPSL - DPPSL solves the double precision symmetric positive definite system A * X = B using the factors computed by DPPCO or DPPFA.
- dppsv(3F) DPPSV - compute the solution to a real system of linear equations A * X = B,
- dppsvx(3F) DPPSVX - use the Cholesky factorization A = U**T*U or A = L*L**T to compute the solution to a real system of linear equations A * X = B,
- dpptrf(3F) DPPTRF - compute the Cholesky factorization of a real symmetric positive definite matrix A stored in packed format
- dpptri(3F) DPPTRI - compute the inverse of a real symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPPTRF
- dpptrs(3F) DPPTRS - solve a system of linear equations A*X = B with a symmetric positive definite matrix A in packed storage using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPPTRF
- dprod(3F) dprod, qprod - FORTRAN double precision and quad precision product intrinsic functions
- dptcon(3F) DPTCON - compute the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite tridiagonal matrix using the factorization A = L*D*L**T or A = U**T*D*U computed by DPTTRF
- dpteqr(3F) DPTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric positive definite tridiagonal matrix by first factoring the matrix using DPTTRF, and then calling DBDSQR to compute the singular values of the bidiagonal factor
- dptrfs(3F) DPTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite and tridiagonal, and provides error bounds and backward error estimates for the solution
- DPTSL(3F) DPTSL - DPTSL, given a positive definite symmetric tridiagonal matrix and a right hand side, will find the solution.
- dptsv(3F) DPTSV - compute the solution to a real system of linear equations A*X = B, where A is an N-by-N symmetric positive definite tridiagonal matrix, and X and B are N-by-NRHS matrices
- dptsvx(3F) DPTSVX - use the factorization A = L*D*L**T to compute the solution to a real system of linear equations A*X = B, where A is an N-by-N symmetric positive definite tridiagonal matrix and X and B are N-by-NRHS matrices
- dpttrf(3F) DPTTRF - compute the factorization of a real symmetric positive definite tridiagonal matrix A
- dpttrs(3F) DPTTRS - solve a system of linear equations A * X = B with a symmetric positive definite tridiagonal matrix A using the factorization A = L*D*L**T or A = U**T*D*U computed by DPTTRF
- DQRDC(3F) DQRDC - DQRDC uses Householder transformations to compute the QR factorization of an N by P matrix X. Column pivoting based on the 2- norms of the reduced columns may be performed at the user's option.
- DQRSL(3F) DQRSL - DQRSL applies the output of DQRDC to compute coordinate transformations, projections, and least squares solutions. For K .LE. MIN(N,P), let XK be the matrix
- drscl(3F) DRSCL - multiplie an n-element real vector x by the real scalar 1/a
- dsbev(3F) DSBEV - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A
- dsbevd(3F) DSBEVD - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A
- dsbevx(3F) DSBEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A
- dsbgst(3F) DSBGST - reduce a real symmetric-definite banded generalized eigenproblem A*x = lambda*B*x to standard form C*y = lambda*y,
- dsbgv(3F) DSBGV - compute all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite banded eigenproblem, of the form A*x=(lambda)*B*x
- dsbtrd(3F) DSBTRD - reduce a real symmetric band matrix A to symmetric tridiagonal form T by an orthogonal similarity transformation
- dsecnd(3F)
- DSICO(3F) DSICO - DSICO factors a double precision symmetric matrix by elimination with symmetric pivoting and estimates the condition of the matrix.
- DSIDI(3F) DSIDI - DSIDI computes the determinant, inertia and inverse of a double precision symmetric matrix using the factors from DSIFA.
- DSIFA(3F) DSIFA - DSIFA factors a double precision symmetric matrix by elimination with symmetric pivoting.
- DSISL(3F) DSISL - DSISL solves the double precision symmetric system A * X = B using the factors computed by DSIFA.
- DSPCO(3F) DSPCO - DSPCO factors a double precision symmetric matrix stored in packed form by elimination with symmetric pivoting and estimates the condition of the matrix.
- dspcon(3F) DSPCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric packed matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by DSPTRF
- DSPDI(3F) DSPDI - DSPDI computes the determinant, inertia and inverse of a double precision symmetric matrix using the factors from DSPFA, where the matrix is stored in packed form.
- dspev(3F) DSPEV - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage
- dspevd(3F) DSPEVD - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage
- dspevx(3F) DSPEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage
- DSPFA(3F) DSPFA - DSPFA factors a double precision symmetric matrix stored in packed form by elimination with symmetric pivoting.
- dspgst(3F) DSPGST - reduce a real symmetric-definite generalized eigenproblem to standard form, using packed storage
- dspgv(3F) DSPGV - compute all the eigenvalues and, optionally, the eigenvectors of a real generalized symmetric-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- dsprfs(3F) DSPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite and packed, and provides error bounds and backward error estimates for the solution
- DSPSL(3F) DSPSL - DSISL solves the double precision symmetric system A * X = B using the factors computed by DSPFA.
- dspsv(3F) DSPSV - compute the solution to a real system of linear equations A * X = B,
- dspsvx(3F) DSPSVX - use the diagonal pivoting factorization A = U*D*U**T or A = L*D*L**T to compute the solution to a real system of linear equations A * X = B, where A is an N-by-N symmetric matrix stored in packed format and X and B are N-by-NRHS matrices
- dsptrd(3F) DSPTRD - reduce a real symmetric matrix A stored in packed form to symmetric tridiagonal form T by an orthogonal similarity transformation
- dsptrf(3F) DSPTRF - compute the factorization of a real symmetric matrix A stored in packed format using the Bunch-Kaufman diagonal pivoting method
- dsptri(3F) DSPTRI - compute the inverse of a real symmetric indefinite matrix A in packed storage using the factorization A = U*D*U**T or A = L*D*L**T computed by DSPTRF
- dsptrs(3F) DSPTRS - solve a system of linear equations A*X = B with a real symmetric matrix A stored in packed format using the factorization A = U*D*U**T or A = L*D*L**T computed by DSPTRF
- dstebz(3F) DSTEBZ - compute the eigenvalues of a symmetric tridiagonal matrix T
- dstedc(3F) DSTEDC - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the divide and conquer method
- dstein(3F) DSTEIN - compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration
- dsteqr(3F) DSTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or QR method
- dsterf(3F) DSTERF - compute all eigenvalues of a symmetric tridiagonal matrix using the Pal-Walker-Kahan variant of the QL or QR algorithm
- dstev(3F) DSTEV - compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
- dstevd(3F) DSTEVD - compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix
- dstevx(3F) DSTEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
- DSVDC(3F) DSVDC - DSVDC is a subroutine to reduce a double precision NxP matrix X by orthogonal transformations U and V to diagonal form. The diagonal elements S(I) are the singular values of X. The columns of U are the corresponding left singular vectors, and the columns of V the right singular vectors.
- dsycon(3F) DSYCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by DSYTRF
- dsyev(3F) DSYEV - compute all eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
- dsyevd(3F) DSYEVD - compute all eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
- dsyevx(3F) DSYEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
- dsygs2(3F) DSYGS2 - reduce a real symmetric-definite generalized eigenproblem to standard form
- dsygst(3F) DSYGST - reduce a real symmetric-definite generalized eigenproblem to standard form
- dsygv(3F) DSYGV - compute all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- dsyrfs(3F) DSYRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite, and provides error bounds and backward error estimates for the solution
- dsysv(3F) DSYSV - compute the solution to a real system of linear equations A * X = B,
- dsysvx(3F) DSYSVX - use the diagonal pivoting factorization to compute the solution to a real system of linear equations A * X = B,
- dsytd2(3F) DSYTD2 - reduce a real symmetric matrix A to symmetric tridiagonal form T by an orthogonal similarity transformation
- dsytf2(3F) DSYTF2 - compute the factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- dsytrd(3F) DSYTRD - reduce a real symmetric matrix A to real symmetric tridiagonal form T by an orthogonal similarity transformation
- dsytrf(3F) DSYTRF - compute the factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- dsytri(3F) DSYTRI - compute the inverse of a real symmetric indefinite matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by DSYTRF
- dsytrs(3F) DSYTRS - solve a system of linear equations A*X = B with a real symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by DSYTRF
- dtbcon(3F) DTBCON - estimate the reciprocal of the condition number of a triangular band matrix A, in either the 1-norm or the infinity-norm
- dtbrfs(3F) DTBRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular band coefficient matrix
- dtbtrs(3F) DTBTRS - solve a triangular system of the form A * X = B or A**T * X = B,
- dtgevc(3F) DTGEVC - compute some or all of the right and/or left generalized eigenvectors of a pair of real upper triangular matrices (A,B)
- dtgsja(3F) DTGSJA - compute the generalized singular value decomposition (GSVD) of two real upper triangular (or trapezoidal) matrices A and B
- dtpcon(3F) DTPCON - estimate the reciprocal of the condition number of a packed triangular matrix A, in either the 1-norm or the infinity-norm
- dtprfs(3F) DTPRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular packed coefficient matrix
- dtptri(3F) DTPTRI - compute the inverse of a real upper or lower triangular matrix A stored in packed format
- dtptrs(3F) DTPTRS - solve a triangular system of the form A * X = B or A**T * X = B,
- DTRCO(3F) DTRCO - DTRCO estimates the condition of a double precision triangular matrix.
- dtrcon(3F) DTRCON - estimate the reciprocal of the condition number of a triangular matrix A, in either the 1-norm or the infinity-norm
- DTRDI(3F) DTRDI - DTRDI computes the determinant and inverse of a double precision triangular matrix.
- dtrevc(3F) DTREVC - compute some or all of the right and/or left eigenvectors of a real upper quasi-triangular matrix T
- dtrexc(3F) DTREXC - reorder the real Schur factorization of a real matrix A = Q*T*Q**T, so that the diagonal block of T with row index IFST is moved to row ILST
- dtrrfs(3F) DTRRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular coefficient matrix
- dtrsen(3F) DTRSEN - reorder the real Schur factorization of a real matrix A = Q*T*Q**T, so that a selected cluster of eigenvalues appears in the leading diagonal blocks of the upper quasi-triangular matrix T,
- DTRSL(3F) DTRSL - DTRSL solves systems of the form
- dtrsna(3F) DTRSNA - estimate reciprocal condition numbers for specified eigenvalues and/or right eigenvectors of a real upper quasi-triangular matrix T (or of any matrix Q*T*Q**T with Q orthogonal)
- dtrsyl(3F) DTRSYL - solve the real Sylvester matrix equation
- dtrti2(3F) DTRTI2 - compute the inverse of a real upper or lower triangular matrix
- dtrtri(3F) DTRTRI - compute the inverse of a real upper or lower triangular matrix A
- dtrtrs(3F) DTRTRS - solve a triangular system of the form A * X = B or A**T * X = B,
- dtzrqf(3F) DTZRQF - reduce the M-by-N ( M<=N ) real upper trapezoidal matrix A to upper triangular form by means of orthogonal transformations
- dzsum1(3F) DZSUM1 - take the sum of the absolute values of a complex vector and returns a double precision result
- ELMBAK(3F) ELMBAK, SELMBAK - EISPACK routine. This subroutine forms the eigenvectors of a REAL GENERAL matrix by back transforming those of the corresponding upper Hessenberg matrix determined by ELMHES.
- ELMHES(3F) elmhes, selmhes - EISPACK routine. Given a REAL GENERAL matrix, this subroutine reduces a submatrix situated in rows and columns LOW through IGH to upper Hessenberg form by stabilized elementary similarity transformations.
- ELTRAN(3F) ELTRAN, SELTRAN - EISPACK routine. This subroutine accumulates the stabilized elementary similarity transformations used in the reduction of a REAL GENERAL matrix to upper Hessenberg form by ELMHES.
- ep(3F) ep, epbase, epprec, epemin, epemax, eptiny, ephuge, epmrsp - FORTRAN numeric characteristic constants
- EPSLON(3F) EPSLON, SEPSLON - EISPACK auxiliary routine.
- erf(3F) erf, erfc, derf, derfc, erfl, erfcl, qerf, qerfc - Error function and complementary error function
- etime(3F) etime, dtime - return user + system execution time
- exit(3F) EXIT - Exits from a Fortran program
- exp(3F) exp, dexp, qexp, cexp, zexp - FORTRAN exponential intrinsic function
- fdate(3F) fdate - return date and time in an ASCII string
- fft(3F) FFT, libfft - libcomplib.sgimath - Fast Fourier Transforms
- fft1d(3F) cfft1d, zfft1d - 1D, Real Complex-to-Complex, Fast Fourier Transforms.
- fft1di(3F) cfft1di, zfft1di - initialize the coefficient array for Complex-to- Complex 1D FFT modules.
- fft1du(3F) scfft1du, dzfft1du - 1D, Real to Complex, Direct Fast Fourier Transforms.
- fft1dui(3F) scfft1dui, dzfft1dui - initialize the coefficient array for real-to- complex 1D FFT modules.
- fft2d(3F) cfft2d, zfft2d - 2D Complex-to-Complex Fast Fourier Transform.
- fft2di(3F) cfft2di, zfft2di - initialize the coefficient array for complex-to- complex 2D FFT modules.
- fft2du(3F) scfft2du, dzfft2du - 2D, Real to Complex, Direct Fast Fourier Transforms.
- fft2dui(3F) scfft2dui, dzfft2dui - initialize the coefficient array for real-to- complex 2D FFT modules.
- fft3d(3F) cfft3d, zfft3d - 3D Complex-to-Complex Fast Fourier Transform.
- fft3di(3F) cfft3di, zfft3di - initialize the coefficient array for complex-to- complex 3D FFT modules.
- fft3du(3F) scfft3du, dzfft3du - 3D, Real to Complex, Direct Fast Fourier Transforms.
- fft3dui(3F) scfft3dui, dzfft3dui - initialize the coefficient array for real-to- complex 3D FFT modules.
- FIGI(3F) FIGI, SFIGI - EISPACK routine. Given a NONSYMMETRIC TRIDIAGONAL matrix such that the products of corresponding pairs of off-diagonal elements are all non-negative, this subroutine reduces it to a symmetric tridiagonal matrix with the same eigenvalues. If, further, a zero product only occurs when both factors are zero, the reduced matrix is similar to the original matrix.
- FIGI2(3F) FIGI2, SFIGI2 - EISPACK routine. Given a NONSYMMETRIC TRIDIAGONAL matrix such that the products of corresponding pairs of off-diagonal elements are all non-negative, and zero only when both factors are zero, this subroutine reduces it to a SYMMETRIC TRIDIAGONAL matrix using and accumulating diagonal similarity transformations.
- fir1d(3F) SFIR1D, DFIR1D, CFIR1D, ZFIR1D - 1D Convolution in the time domain.
- fir2d(3F) SFIR2D, DFIR2D, CFIR2D, ZFIR2D - 2D Convolution in the time domain.
- firm1d(3F) SFIRM1D, DFIRM1D, CFIRM1D, ZFIRM1D - N 1D convolutions in the time domain.
- floating(3F) - return scalar values associated with the argument derived from the model of floating point data.
- flush(3F) [p_man/cat3/f90] FLUSH - Writes data buffered by Fortran output statements to a file
- flush(3F) [p_man/cat3/ftn] flush - flush output to a logical unit
- fseek(3F) fseek, fseek64, ftell, ftell64 - reposition a file on a logical unit
- fsigfpe(3F) handle_sigfpes - Floating-point exception handler package
- ftype(3F) DFLOTI, DFLOTJ, QFLOTI, QFLOTJ, QFLOTK - explicit Fortran type conversion
- gbmv(3F) SGBMV, DGBMV, CGBMV, ZGMBV - Multiplies a real or complex vector by a real or complex general band matrix
- gemm(3F) SGEMM, DGEMM, CGEMM, ZGEMM - Multiplies a real or complex general matrix by a real or complex general matrix
- gemv(3F) SGEMV, DGEMV, CGEMV, ZGEMV - Multiplies a real or complex vector by a real or complex general matrix
- ger(3F) SGER, DGER, CGERC, ZGERC, CGERU, ZGERU - Performs rank 1 update of a real or complex general matrix
- getarg(3F) getarg, iargc - Return Fortran command-line argument
- getc(3F) getc, fgetc - get a character from a logical unit
- getenv(3F) getenv - get value of environment variable
- getlog(3F) getlog - get user's login name
- glio_group(3F) glio_group_mpi, glio_group_shmem - Defines a group of processes to be associated with a global file.
- hbmv(3F) CHBMV, ZHBMV - Multiplies a complex vector by a complex Hermitian band matrix
- hemm(3F) CHEMM, ZHEMM - Multiplies a complex general matrix by a complex Hermitian matrix
- hemv(3F) CHEMV, ZHEMV - Multiplies a complex vector by a complex Hermitian matrix
- her(3F) CHER, ZHER - Performs Hermitian rank 1 update of a complex Hermitian matrix
- her2(3F) CHER2, ZHER2 - Performs Hermitian rank 2 update of a complex Hermitian matrix
- her2k(3F) CHER2K, ZHER2K - Performs Hermitian rank 2k update of a complex Hermitian matrix
- herk(3F) CHERK, ZHERK - Performs Hermitian rank k update of a complex Hermitian matrix
- hpmv(3F) CHPMV, ZHPMV - Multiplies a complex vector by a packed complex Hermitian matrix
- hpr(3F) CHPR, ZHPR - Performs Hermitian rank 1 update of a packed complex Hermitian matrix
- hpr2(3F) CHPR2, ZHPR2 - Performs Hermitian rank 2 update of a packed complex Hermitian matrix
- HQR(3F) HQR, SHQR - EISPACK routine. This subroutine finds the eigenvalues of a REAL UPPER Hessenberg matrix by the QR method.
- HQR2(3F) HQR2, SHQR2 - EISPACK routine. This subroutine finds the eigenvalues and eigenvectors of a REAL UPPER Hessenberg matrix by the QR method. The eigenvectors of a REAL GENERAL matrix can also be found if ELMHES and ELTRAN or ORTHES and ORTRAN have been used to reduce this general matrix to Hessenberg form and to accumulate the similarity transformations.
- HTRIB3(3F) HTRIB3, SHTRIB3 - EISPACK routine. This subroutine forms the eigenvectors of a COMPLEX HERMITIAN matrix by back transforming those of the corresponding real symmetric tridiagonal matrix determined by HTRID3.
- HTRIBK(3F) HTRIBK, SHTRIBK - EISPACK routine. This subroutine forms the eigenvectors of a COMPLEX HERMITIAN matrix by back transforming those of the corresponding real symmetric tridiagonal matrix determined by HTRIDI.
- HTRID3(3F) HTRID3, SHTRID3 - EISPACK routine. This subroutine reduces a COMPLEX HERMITIAN matrix, stored as a single square array, to a real symmetric tridiagonal matrix using unitary similarity transformations.
- HTRIDI(3F) HTRIDI, SHTRIDI - EISPACK routine. This subroutine reduces a COMPLEX HERMITIAN matrix to a real symmetric tridiagonal matrix using unitary similarity transformations.
- icmax1(3F) ICMAX1 - find the index of the element whose real part has maximum absolute value
- idate(3F) idate, itime - return date or time in numerical form
- ieg2mips(3F) IEG2MIPS, MIPS2IEG - Converts generic IEEE data to MIPS IEEE data and vice versa
- iir1d(3F) SIIR1D, DIIR1D, CIIR1D, ZIIR1D - 1D recursive convolution in the time domain.
- iir2d(3F) SIIR2D, DIIR2D, CIIR2D, ZIIR2D - 2D Convolution in the time domain.
- iirm1d(3F) SIIRM1D, DIIRM1D, CIIRM1D, ZIIRM1D - N 1D convolutions in the time domain.
- ilaenv(3F) ILAENV - i called from the LAPACK routines to choose problem-dependent parameters for the local environment
- imag(3F) imag, aimag, dimag, qimag - FORTRAN imaginary part of complex argument
- IMTQL1(3F) IMTQL1, SIMTQL1 - EISPACK routine. This subroutine finds the eigenvalues of a SYMMETRIC TRIDIAGONAL matrix by the implicit QL method.
- IMTQL2(3F) IMTQL2, SIMTQL2 - EISPACK routine. This subroutine finds the eigenvalues and eigenvectors of a SYMMETRIC TRIDIAGONAL matrix by the implicit QL method. The eigenvectors of a FULL SYMMETRIC matrix can also be found if TRED2 has been used to reduce this full matrix to tridiagonal form.
- IMTQLV(3F) IMTQLV, SIMTQLV - EISPACK routine. This subroutine is a variant of IMTQL1.
- index(3F) index - return location of FORTRAN substring
- intro_blas(3F) INTRO_BLAS - Introduction to Basic Linear Algebra Subprograms
- intro_conversion(3F) INTRO_CONVERSION - Introduction to conversion routines
- intro_ffio(3F) INTRO_FFIO - Describes performance options available with the FFIO layers
- intro_pxf(3F) INTRO_PXF - Introduction to PXF POSIX library
- INVIT(3F) INVIT, SINVIT - EISPACK routine. This subroutine finds those eigenvectors of a REAL UPPER Hessenberg matrix corresponding to specified eigenvalues, using inverse iteration.
- ipxfargc(3F) IPXFARGC - Returns the number of command-line arguments excluding the command name
- ipxfwstopsig(3F) IPXFWSTOPSIG - Returns part of the lower bits of signal number that terminates child process
- ipxfwtermsig(3F) IPXFWTERMSIG - Returns lower bit of signal that terminates a child process
- ishell(3F) ISHELL - Executes a shell command
- izmax1(3F) IZMAX1 - find the index of the element whose real part has maximum absolute value
- lapack(3F)
- len(3F) len - return length of Fortran string
- libexc(3F) trace_back_stack, trace_back_stack_and_print, exc_dladdr - Calls stack trace library for Fortran applications
- loc(3F) loc - return the address of an object
- log(3F) log, alog, dlog, qlog, clog, zlog - FORTRAN natural logarithm intrinsic function
- log10(3F) log10, alog10, dlog10, qlog10 - FORTRAN common logarithm intrinsic function
- lsame(3F) LSAME - return .TRUE
- lsamen(3F) LSAMEN - test if the first N letters of CA are the same as the first N letters of CB, regardless of case
- malloc(3F) malloc, free - main memory allocator
- maplun(3F) maplun - returns the integer file descriptor for a Fortran logical unit number
- max(3F) max, max0, imax0, jmax0, amax0, max1, amax1, dmax1, qmax1, imax1, jmax1, aimax0, ajmax0 - FORTRAN maximum-value functions
- mclock(3F) mclock - return Fortran time accounting
- min(3F) min, min0, imin0, jmin0, amin0, min1, amin1, dmin1, qmin1, imin1, jmin1, aimin0, ajmin0 - FORTRAN minimum-value functions
- MINFIT(3F) MINFIT, SMINFIT - EISPACK routine. This subroutine determines, towards the solution of the linear T system AX=B, the singular value decomposition A=USV of a real T M by N rectangular matrix, forming U B rather than U. Householder bidiagonalization and a variant of the QR algorithm are used.
- mod(3F) mod, imod, jmod, amod, dmod, qmod - FORTRAN remaindering intrinsic functions
- mp(3F) MP_BARRIER, MP_BLOCK, MP_BLOCKTIME, MP_CREATE, MP_DESTROY, MP_IN_DOACROSS_LOOP, MP_IS_MASTER, MP_MY_THREADNUM, MP_NUMTHREADS, MP_SET_NUMTHREADS, MP_SET_SLAVE_STACKSIZE MP_SETLOCK, MP_SETUP, MP_SUGGESTED_NUMTHREADS, MP_UNBLOCK, MP_UNSETLOCK, MP_SHMEM_GET32, MP_SHMEM_PUT32, MP_SHMEM_IGET32, MP_SHMEM_IPUT32, MP_SHMEM_GET64, MP_SHMEM_PUT64, MP_SHMEM_IGET64, MP_SHMEM_IPUT64 - Fortran multiprocessing utility routines
- nrm2(3F) SNRM2, DNRM2, SCNRM2, DZNRM2 - Computes the Euclidean norm of a vector
- numblks(3F) NUMBLKS - Returns the current size of a file in 4096-byte blocks
- numeric(3F) - return scalar values related to parameters of an associated model
- o32FFT(3F) o32FFT - o32 vs. n32/64 FFT library differences
- ORTBAK(3F) ORTBAK, SORTBAK - EISPACK routine. This subroutine forms the eigenvectors of a REAL GENERAL matrix by back transforming those of the corresponding upper Hessenberg matrix determined by ORTHES.
- ORTHES(3F) ORTHES, SORTHES - EISPACK routine. Given a REAL GENERAL matrix, this subroutine reduces a submatrix situated in rows and columns LOW through IGH to upper Hessenberg form by orthogonal similarity transformations.
- ORTRAN(3F) ORTRAN, SORTRAN - EISPACK routine. This subroutine accumulates the orthogonal similarity transformations used in the reduction of a REAL GENERAL matrix to upper Hessenberg form by ORTHES.
- perror(3F) perror, gerror, ierrno, strerror - get system error messages
- psldlt(3F) PSLDLT_Preprocess, PSLDLT_Factor, PSLDLT_Solve, PSLDLT_Destroy, PSLDLT_Ordering - parallel sparse symmetric linear system solver
- psldu(3F) PSLDU_Preprocess, PSLDU_Factor, PSLDU_Solve, PSLDU_Destroy, PSLDU_Ordering - parallel sparse unsymmetric linear system solver
- putc(3F) putc, fputc - write a character to a Fortran logical unit
- putenv(3F) putenv - change or add Fortran environment variable
- pxfaccess(3F) PXFACCESS - Checks the accessibility of a named file
- pxfaintget(3F) PXFAINTGET, PXFAINTSET, PXFEINTGET, PXFEINTSET - Accesses an array of integers or array element in the termios structure
- pxfalarm(3F) PXFALARM - Schedule alarm signal
- pxfcfgetospeed(3F) PXFCFGETISPEED, PXFCFSETISPEED, PXFCFGETOSPEED, PXFCFSETOSPEED - Set output baud rate
- pxfchdir(3F) PXFCHDIR - Changes the current directory to a specified directory
- pxfchmod(3F) PXFCHMOD - Sets file modes for a named file
- pxfchown(3F) PXFCHOWN - Changes the owner and group of a file
- pxfchroot(3F) PXFCHROOT - Changes the root directory to a specified directory
- pxfclearenv(3F) PXFCLEARENV - Clears all environment variables
- pxfclose(3F) PXFCLOSE - Close a file
- pxfconst(3F) PXFCONST, PXFISCONST, IPXFCONST - Returns the value associated with symbolic constants
- pxfcreat(3F) PXFCREAT - Creates a new file or rewrites an existing file
- pxfctermid(3F) PXFCTERMID - Generates terminal pathname
- pxfdirectory(3F) PXFOPENDIR, PXFREADDIR, PXFREWINDDIR, PXFCLOSEDIR - Performs directory operations
- pxfdup(3F) PXFDUP - Duplicate an open file descriptor
- pxfestrget(3F) PXFESTRGET - Accesses a single string element of a structure component that is an array
- pxfexecv(3F) PXFEXECV, PXFEXECVE, PXFEXECVP - Executes a new process image file
- pxffastexit(3F) PXFFASTEXIT - Terminates a Fortran program
- pxffcntl(3F) PXFFCNTL - Provides a subset of fcntl(2) functionality, except the third argument is always an integer
- pxffileno(3F) PXFFILENO - Returns the file descriptor for a specified unit
- pxffork(3F) PXFFORK - Creates a process
- pxfgetarg(3F) PXFGETARG - Returns a command-line argument
- pxfgetcwd(3F) PXFGETCWD - Gets the pathname of the working directory
- pxfgetegid(3F) PXFGETEGID - Gets the effective group ID
- pxfgetenv(3F) PXFGETENV - Returns a value for the environment name
- pxfgeteuid(3F) PXFGETEUID - Gets effective user ID
- pxfgetgid(3F) PXFGETGID - Gets the real group ID
- pxfgetgrgid(3F) PXFGETGRGID - Gets group information using the group ID
- pxfgetgrnam(3F) PXFGETGRNAM - Gets group information using the group name
- pxfgetgroups(3F) PXFGETGROUPS - Gets supplementary group IDs
- pxfgetlogin(3F) PXFGETLOGIN - Gets user name
- pxfgetpgrp(3F) PXFGETPGRP -Gets the process group ID
- pxfgetpid(3F) PXFGETPID - Gets the process ID
- pxfgetppid(3F) PXFGETPPID - Gets the parent process ID
- pxfgetpwnam(3F) PXFGETPWNAM - Gets password information about login name
- pxfgetpwuid(3F) PXFGETPWUID - Gets password information by using user ID
- pxfgetuid(3F) PXFGETUID - Gets the real user ID
- pxfintget(3F) PXFINTGET, PXFGET - Allows values stored in individual components of a structure to be extracted and used
- pxfintset(3F) PXFINTSET - Allows components of a structure to be set or modified
- pxfisatty(3F) PXFISATTY - Determines if file descriptor corresponds to a valid file descriptor
- pxfisblk(3F) PXFISBLK - Tests for block special file
- pxfischr(3F) PXFISCHR - Tests for character special file
- pxfisdir(3F) PXFISDIR - Tests for directory file
- pxfisfifo(3F) PXFISFIFO - Tests for pipe or a FIFO special file
- pxfisreg(3F) PXFISREG - Tests for regular file
- pxfkill(3F) PXFKILL - Sends a signal to a process or group of processes
- pxflink(3F) PXFLINK - Creates a link to a file
- pxflocaltime(3F) PXFLOCALTIME - Converts to local time
- pxflseek(3F) PXFLSEEK - Reposition READ/WRITE File Offset
- pxfmkfifo(3F) PXFMKFIFO - Make a FIFO special File
- pxfopen(3F) PXFOPEN - Provides a Fortran interface to the open(2) system call
- pxfpause(3F) PXFPAUSE - Suspends process execution until signal
- pxfpipe(3F) PXFPIPE - Create an inter-process channel (pipe) and return fds for the read and write ends of the pipe
- pxfread(3F) PXFREAD - Read a file
- pxfrename(3F) PXFRENAME - Renames a file
- pxfrmdir(3F) PXFRMDIR - Removes a directory entry
- pxfsetenv(3F) PXFSETENV - Sets environment variable pair
- pxfsetgid(3F) PXFSETGID - Sets group ID
- pxfsetpgid(3F) PXFSETPGID - Set process group ID
- pxfsetsid(3F) PXFSETSID - Creates a new session for a calling process
- pxfsetuid(3F) PXFSETUID - Sets user ID
- pxfsigaddset(3F) PXFSIGADDSET - Adds an individual signal to the specified signal set
- pxfsigdelset(3F) PXFSIGDELSET - Deletes an individual signal in the specified signal set
- pxfsigemptyset(3F) PXFSIGEMPTYSET - Initializes signal set such that all signals defined in POSIX standard are excluded
- pxfsigfillset(3F) PXFSIGFILLSET - Initializes signal set such that all signals defined in POSIX standard are included
- pxfsigismember(3F) PXFSIGISMEMBER - Determines if the specified signal is a member of the specified signal set
- pxfsigpending(3F) PXFSIGPENDING - Examines pending signals
- pxfsigprocmask(3F) PXFSIGPROCMASK - Examines and changes blocked signals
- pxfsigsuspend(3F) PXFSIGSUSPEND - Waits for a signal
- pxfsleep(3F) PXFSLEEP - Delays process execution
- pxfstat(3F) PXFSTAT - Retrieves the file status
- pxfstrget(3F) PXFSTRGET - Allows values stored in individual components of a structure to be extracted and used
- pxfstrset(3F) PXFSTRSET - Allows values stored in individual components of a structure to be set
- pxfstructcopy(3F) PXFSTRUCTCOPY - Copies structure
- pxfstructcreate(3F) PXFSTRUCTCREATE - Creates an instance of the desired structure and returns a nonzero handle in the argument jhandle
- pxfstructfree(3F) PXFSTRUCTFREE - Deletes the instance of the structure referenced by jhandle
- pxfsysconf(3F) PXFSYSCONF - Retrieves the value of configurable system variables
- pxfsystem(3F) PXFSYSTEM - Issue a shell command
- pxftcgetattr(3F) PXFTCGETATTR, PXFTCSETATTR - Set or get a state
- pxftcgetpgrp(3F) PXFTCGETPGRP - Get foreground process group ID
- pxftcsendbreak(3F)
- pxftcsetpgrp(3F) PXFTCSETPGRP - Set foreground process group ID
- pxftime(3F) PXFTIME - Gets system time
- pxftimes(3F) PXFTIMES - Gets process times
- pxfucompare(3F) PXFUCOMPARE - Compares unsigned integers
- pxfumask(3F) PXFUMASK - Sets the file creation mask
- pxfuname(3F) PXFUNAME - Retrieves the operating system name
- pxfunlink(3F) PXFUNLINK - Removes a directory entry
- pxfutime(3F) PXFUTIME - Sets access and modification times of a file
- pxfwait(3F) PXFWAIT, PXFWAITPID - Obtains information about a calling process' child process
- pxfwaitpid(3F) PXFWAITPID - Wait for process termination
- pxfwifexited(3F) PXFWIFEXITED - Determines if child process exited with exit
- pxfwifsignaled(3F) PXFWIFSIGNALED - Determines if the child process terminated because of a signal
- pxfwifstopped(3F) PXFWIFSTOPPED - Determines if a child process has stopped
- pxfwrite(3F) PXFWRITE - Write a file
- PYTHAG(3F) PYTHAG, SPYTHAG - EISPACK auxiliary routine.
- qsort(3F) qsort - quick sort
- QZHES(3F) QZHES, SQZHES - EISPACK routine. This subroutine is the first step of the QZ algorithm for solving generalized matrix eigenvalue problems.
- QZIT(3F) QZIT, SQZIT - EISPACK routine. This subroutine is the second step of the QZ algorithm for solving generalized matrix eigenvalue problems,
- QZVAL(3F) QZVAL, SQZVAL - EISPACK routine. This subroutine is the third step of the QZ algorithm for solving generalized matrix eigenvalue problems,
- QZVEC(3F) QZVEC, ZQZVEC - EISPACK routine. This subroutine is the optional fourth step of the QZ algorithm for solving generalized matrix eigenvalue problems,
- ran(3F) ran - Pseudo random number generator
- rand(3F) rand, irand, srand - random number generator
- random(3F) - generate pseudorandom numbers from a seed
- RATQR(3F) RATQR, SRATQR - EISPACK routine. This subroutine finds the algebraically smallest or largest eigenvalues of a SYMMETRIC TRIDIAGONAL matrix by the rational QR method with Newton corrections.
- RCFFT2(3F) RCFFT2 - Calculate a real-to-complex Fourier synthesis/analysis.
- REBAK(3F) REBAK, SREBAK - EISPACK routine. This subroutine forms the eigenvectors of a generalized SYMMETRIC eigensystem by back transforming those of the derived symmetric matrix determined by REDUC.
- REBAKB(3F) REBAKB, SREBAKB - EISPACK routine. This subroutine forms the eigenvectors of a generalized SYMMETRIC eigensystem by back transforming those of the derived symmetric matrix determined by REDUC2.
- REDUC(3F) REDUC, SREDUC - EISPACK routine. This subroutine reduces the generalized SYMMETRIC eigenproblem Ax=(LAMBDA)Bx, where B is POSITIVE DEFINITE, to the standard symmetric eigenproblem using the Cholesky factorization of B.
- REDUC2(3F) REDUC2, SREDUC2 - EISPACK routine. This subroutine reduces the generalized SYMMETRIC eigenproblems ABx=(LAMBDA)x OR BAy=(LAMBDA)y, where B is POSITIVE DEFINITE, to the standard symmetric eigenproblem using the Cholesky factorization of B.
- rename(3F) rename - rename a file
- RG(3F) RG, SRG - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) To find the eigenvalues and eigenvectors (if desired) of a REAL GENERAL matrix.
- RGG(3F) RGG, SRGG - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) for the REAL GENERAL GENERALIZED eigenproblem Ax = (LAMBDA)Bx.
- rnl(3F) RNLFLAG, RNLDELM, RNLSEP, RNLREP, RNLCOMM - Manipulates characters recognized by NAMELIST
- rnlecho(3F) RNLECHO - Specifies output unit for NAMELIST error messages and echo lines
- rnlskip(3F) RNLSKIP - Takes appropriate action when an undesired NAMELIST group is encountered
- rnltype(3F) RNLTYPE - Determines action if type mismatch occurs across equal sign on NAMELIST input record
- rot(3F) SROT, DROT - Applies a real plane rotation or complex coordinate rotation
- rotg(3F) SROTG, DROTG - Constructs a Givens plane rotation
- rotm(3F) SROTM, DROTM - Applies a modified Givens plane rotation
- rotmg(3F) SROTMG, DROTMG - Constructs a modified Givens plane rotation
- round(3F) ININT, JNINT, IIDNNT, JIDNNT, IIQNNT, JIQNNT, KIQNNT - Fortran nearest integer functions
- RS(3F) RS, SRS - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) of a REAL SYMMETRIC matrix.
- RSB(3F) RSB, SRSB - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) of a REAL SYMMETRIC BAND matrix.
- RSG(3F) RSG, SRSG - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) for the REAL SYMMETRIC generalized eigenproblem Ax = (LAMBDA)Bx.
- RSGAB(3F) RSGAB, SRSGAB - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) for the REAL SYMMETRIC generalized eigenproblem ABx = (LAMBDA)x.
- RSGBA(3F) RSGBA, SRSGBA - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) for the REAL SYMMETRIC generalized eigenproblem BAx = (LAMBDA)x.
- RSM(3F) RSM, SRSM - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find all of the eigenvalues and some of the eigenvectors of a real symmetric matrix.
- RSP(3F) RSP, SRSP - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) of a REAL SYMMETRIC PACKED matrix.
- RST(3F) RST, SRST - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) of a REAL SYMMETRIC TRIDIAGONAL matrix.
- RT(3F) RT, SRT - EISPACK routine. This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) of a special REAL TRIDIAGONAL matrix.
- sbdsqr(3F) SBDSQR - compute the singular value decomposition (SVD) of a real N-by-N (upper or lower) bidiagonal matrix B
- sbmv(3F) SSBMV, DSBMV - Multiplies a real vector by a real symmetric band matrix
- scal(3F) SSCAL, DSCAL, CSSCAL, ZDSCAL, CSCAL, ZSCAL - Scales a real or complex vector
- scfftm1du(3F) scfftm1du, dzfftm1du - Multiple 1D, Real to Complex, Direct Fast Fourier Transforms.
- scfftm1dui(3F) scfftm1dui, dzfftm1dui - initialize the coefficient array for real-to- complex Multiple 1D FFT modules.
- SCHDC(3F) SCHDC - SCHDC computes the Cholesky decomposition of a positive definite matrix. A pivoting option allows the user to estimate the condition of a positive definite matrix or determine the rank of a positive semidefinite matrix.
- SCHDD(3F) SCHDD - SCHDD downdates an augmented Cholesky decomposition or the triangular factor of an augmented QR decomposition. Specifically, given an upper triangular matrix R of order P, a row vector X, a column vector Z, and a scalar Y, SCHDD determines an orthogonal matrix U and a scalar ZETA such that
- SCHEX(3F) SCHEX - SCHEX updates the Cholesky factorization
- SCHUD(3F) SCHUD - SCHUD updates an augmented Cholesky decomposition of the triangular part of an augmented QR decomposition. Specifically, given an upper triangular matrix R of order P, a row vector X, a column vector Z, and a scalar Y, SCHUD determines a unitary matrix U and a scalar ZETA such that
- scsum1(3F) SCSUM1 - take the sum of the absolute values of a complex vector and returns a single precision result
- sdfft1du(3F) dfft1du, sfft1du - 1D Real to Complex Fast Fourier Transform.
- sdfft1dui(3F) sfft1dui, dfft1dui - 1D FFT Real to Complex workspace initialization routines.
- sdfft2du(3F) dfft2du, sfft2du - 2D Real to Complex Fast Fourier Transform.
- sdfft2dui(3F) sfft2dui, dfft2dui - 2D FFT Real to Complex workspace initialization routines.
- sdfft3du(3F) dfft3du, sfft3du - 3D Real to Complex Fast Fourier Transform.
- sdfft3dui(3F) sfft3dui, dfft3dui - 3D FFT Real to Complex workspace initialization routines.
- sdfftm1du(3F) dfftm1du, sfftm1du - Multiple 1D, Real to Complex Fast Fourier Transform.
- sdfftm1dui(3F) sfftm1dui, dfftm1dui - Multiple 1D, FFT Real to Complex workspace initialization routines.
- sdisna(3F) SDISNA - compute the reciprocal condition numbers for the eigenvectors of a real symmetric or complex Hermitian matrix or for the left or right singular vectors of a general m-by-n matrix
- second(3F) [p_man/cat3/complib]
- second(3F) [p_man/cat3/f90] SECOND - Returns elapsed CPU time
- secondr(3F) SECONDR - Returns elapsed wall-clock time in seconds
- selected(3F) - return a kind type parameter given a decimal exponent range or precision.
- setbuf(3F) setbuf, setvbuf, setbuffer, setlinebuf - assign buffering to a stream logical unit
- sgbbrd(3F) SGBBRD - reduce a real general m-by-n band matrix A to upper bidiagonal form B by an orthogonal transformation
- SGBCO(3F) SGBCO - SBGCO factors a real band matrix by Gaussian elimination and estimates the condition of the matrix.
- sgbcon(3F) SGBCON - estimate the reciprocal of the condition number of a real general band matrix A, in either the 1-norm or the infinity-norm,
- SGBDI(3F) SGBDI - SGBDI computes the determinant of a band matrix using the factors computed by SBGCO or SGBFA. If the inverse is needed, use SGBSL N times.
- sgbequ(3F) SGBEQU - compute row and column scalings intended to equilibrate an M- by-N band matrix A and reduce its condition number
- SGBFA(3F) SGBFA - SGBFA factors a real band matrix by elimination.
- sgbrfs(3F) SGBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is banded, and provides error bounds and backward error estimates for the solution
- SGBSL(3F) SGBSL - SGBSL solves the real band system A * X = B or TRANS(A) * X = B using the factors computed by SBGCO or SGBFA.
- sgbsv(3F) SGBSV - compute the solution to a real system of linear equations A * X = B, where A is a band matrix of order N with KL subdiagonals and KU superdiagonals, and X and B are N-by-NRHS matrices
- sgbsvx(3F) SGBSVX - use the LU factorization to compute the solution to a real system of linear equations A * X = B, A**T * X = B, or A**H * X = B,
- sgbtf2(3F) SGBTF2 - compute an LU factorization of a real m-by-n band matrix A using partial pivoting with row interchanges
- sgbtrf(3F) SGBTRF - compute an LU factorization of a real m-by-n band matrix A using partial pivoting with row interchanges
- sgbtrs(3F) SGBTRS - solve a system of linear equations A * X = B or A' * X = B with a general band matrix A using the LU factorization computed by SGBTRF
- sgebak(3F) SGEBAK - form the right or left eigenvectors of a real general matrix by backward transformation on the computed eigenvectors of the balanced matrix output by SGEBAL
- sgebal(3F) SGEBAL - balance a general real matrix A
- sgebd2(3F) SGEBD2 - reduce a real general m by n matrix A to upper or lower bidiagonal form B by an orthogonal transformation
- sgebrd(3F) SGEBRD - reduce a general real M-by-N matrix A to upper or lower bidiagonal form B by an orthogonal transformation
- SGECO(3F) SGECO - SGECO factors a real matrix by Gaussian elimination and estimates the condition of the matrix.
- sgecon(3F) SGECON - estimate the reciprocal of the condition number of a general real matrix A, in either the 1-norm or the infinity-norm, using the LU factorization computed by SGETRF
- SGEDI(3F) SGEDI - SGEDI computes the determinant and inverse of a matrix using the factors computed by SGECO or SGEFA.
- sgeequ(3F) SGEEQU - compute row and column scalings intended to equilibrate an M- by-N matrix A and reduce its condition number
- sgees(3F) SGEES - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues, the real Schur form T, and, optionally, the matrix of Schur vectors Z
- sgeesx(3F) SGEESX - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues, the real Schur form T, and, optionally, the matrix of Schur vectors Z
- sgeev(3F) SGEEV - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- sgeevx(3F) SGEEVX - compute for an N-by-N real nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- SGEFA(3F) SGEFA - SGEFA factors a real matrix by Gaussian elimination.
- sgegs(3F) SGEGS - compute for a pair of N-by-N real nonsymmetric matrices A, B
- sgegv(3F) SGEGV - compute for a pair of n-by-n real nonsymmetric matrices A and B, the generalized eigenvalues (alphar +/- alphai*i, beta), and optionally, the left and/or right generalized eigenvectors (VL and VR)
- sgehd2(3F) SGEHD2 - reduce a real general matrix A to upper Hessenberg form H by an orthogonal similarity transformation
- sgehrd(3F) SGEHRD - reduce a real general matrix A to upper Hessenberg form H by an orthogonal similarity transformation
- sgelq2(3F) SGELQ2 - compute an LQ factorization of a real m by n matrix A
- sgelqf(3F) SGELQF - compute an LQ factorization of a real M-by-N matrix A
- sgels(3F) SGELS - solve overdetermined or underdetermined real linear systems involving an M-by-N matrix A, or its transpose, using a QR or LQ factorization of A
- sgelss(3F) SGELSS - compute the minimum norm solution to a real linear least squares problem
- sgelsx(3F) SGELSX - compute the minimum-norm solution to a real linear least squares problem
- sgeql2(3F) SGEQL2 - compute a QL factorization of a real m by n matrix A
- sgeqlf(3F) SGEQLF - compute a QL factorization of a real M-by-N matrix A
- sgeqpf(3F) SGEQPF - compute a QR factorization with column pivoting of a real M-by-N matrix A
- sgeqr2(3F) SGEQR2 - compute a QR factorization of a real m by n matrix A
- sgeqrf(3F) SGEQRF - compute a QR factorization of a real M-by-N matrix A
- sgerfs(3F) SGERFS - improve the computed solution to a system of linear equations and provides error bounds and backward error estimates for the solution
- sgerq2(3F) SGERQ2 - compute an RQ factorization of a real m by n matrix A
- sgerqf(3F) SGERQF - compute an RQ factorization of a real M-by-N matrix A
- SGESL(3F) SGESL - SGESL solves the real system A * X = B or TRANS(A) * X = B using the factors computed by SGECO or SGEFA.
- sgesv(3F) SGESV - compute the solution to a real system of linear equations A * X = B,
- sgesvd(3F) SGESVD - compute the singular value decomposition (SVD) of a real M-by-N matrix A, optionally computing the left and/or right singular vectors
- sgesvx(3F) SGESVX - use the LU factorization to compute the solution to a real system of linear equations A * X = B,
- sgetf2(3F) SGETF2 - compute an LU factorization of a general m-by-n matrix A using partial pivoting with row interchanges
- sgetrf(3F) SGETRF - compute an LU factorization of a general M-by-N matrix A using partial pivoting with row interchanges
- sgetri(3F) SGETRI - compute the inverse of a matrix using the LU factorization computed by SGETRF
- sgetrs(3F) SGETRS - solve a system of linear equations A * X = B or A' * X = B with a general N-by-N matrix A using the LU factorization computed by SGETRF
- sggbak(3F) SGGBAK - form the right or left eigenvectors of a real generalized eigenvalue problem A*x = lambda*B*x, by backward transformation on the computed eigenvectors of the balanced pair of matrices output by SGGBAL
- sggbal(3F) SGGBAL - balance a pair of general real matrices (A,B)
- sggglm(3F) SGGGLM - solve a general Gauss-Markov linear model (GLM) problem
- sgghrd(3F) SGGHRD - reduce a pair of real matrices (A,B) to generalized upper Hessenberg form using orthogonal transformations, where A is a general matrix and B is upper triangular
- sgglse(3F) SGGLSE - solve the linear equality-constrained least squares (LSE) problem
- sggqrf(3F) SGGQRF - compute a generalized QR factorization of an N-by-M matrix A and an N-by-P matrix B
- sggrqf(3F) SGGRQF - compute a generalized RQ factorization of an M-by-N matrix A and a P-by-N matrix B
- sggsvd(3F) SGGSVD - compute the generalized singular value decomposition (GSVD) of an M-by-N real matrix A and P-by-N real matrix B
- sggsvp(3F) SGGSVP - compute orthogonal matrices U, V and Q such that N-K-L K L U'*A*Q = K ( 0 A12 A13 ) if M-K-L >= 0
- sgimath(3F) complib, complib.sgimath, sgimath - Scientific and Mathematical Library
- sgtcon(3F) SGTCON - estimate the reciprocal of the condition number of a real tridiagonal matrix A using the LU factorization as computed by SGTTRF
- sgtrfs(3F) SGTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is tridiagonal, and provides error bounds and backward error estimates for the solution
- SGTSL(3F) SGTSL - SGTSL given a general tridiagonal matrix and a right hand side will find the solution.
- sgtsv(3F) SGTSV - solve the equation A*X = B,
- sgtsvx(3F) SGTSVX - use the LU factorization to compute the solution to a real system of linear equations A * X = B or A**T * X = B,
- sgttrf(3F) SGTTRF - compute an LU factorization of a real tridiagonal matrix A using elimination with partial pivoting and row interchanges
- sgttrs(3F) SGTTRS - solve one of the systems of equations A*X = B or A'*X = B,
- shgeqz(3F) SHGEQZ - implement a single-/double-shift version of the QZ method for finding the generalized eigenvalues w(j)=(ALPHAR(j) + i*ALPHAI(j))/BETAR(j) of the equation det( A - w(i) B ) = 0 In addition, the pair A,B may be reduced to generalized Schur form
- shpalloc(3F) SHPALLOC - Allocates a block of memory from the symmetric heap
- shpclmove(3F) SHPCLMOVE - Extends a symmetric heap block or copies the contents of the block into a larger block
- shpdeallc(3F) SHPDEALLC - Returns a memory block to the symmetric heap
- shsein(3F) SHSEIN - use inverse iteration to find specified right and/or left eigenvectors of a real upper Hessenberg matrix H
- shseqr(3F) SHSEQR - compute the eigenvalues of a real upper Hessenberg matrix H and, optionally, the matrices T and Z from the Schur decomposition H = Z T Z**T, where T is an upper quasi-triangular matrix (the Schur form), and Z is the orthogonal matrix of Schur vectors
- sign(3F) sign, isign, iisign, jisign, dsign, qsign - FORTRAN transfer-of-sign intrinsic function
- sin(3F) sin, dsin, qsin, csin, zsin, cqsin, sind, dsind, qsind - FORTRAN sine intrinsic function
- sinh(3F) sinh, dsinh, qsinh - FORTRAN hyperbolic sine intrinsic function
- slabad(3F) SLABAD - take as input the values computed by SLAMCH for underflow and overflow, and returns the square root of each of these values if the log of LARGE is sufficiently large
- slabrd(3F) SLABRD - reduce the first NB rows and columns of a real general m by n matrix A to upper or lower bidiagonal form by an orthogonal transformation Q' * A * P, and returns the matrices X and Y which are needed to apply the transformation to the unreduced part of A
- slacon(3F) SLACON - estimate the 1-norm of a square, real matrix A
- slacpy(3F) SLACPY - copie all or part of a two-dimensional matrix A to another matrix B
- sladiv(3F) SLADIV - perform complex division in real arithmetic a + i*b p + i*q = --------- c + i*d The algorithm is due to Robert L
- slae2(3F) SLAE2 - compute the eigenvalues of a 2-by-2 symmetric matrix [ A B ] [ B C ]
- slaebz(3F) SLAEBZ - contain the iteration loops which compute and use the function N(w), which is the count of eigenvalues of a symmetric tridiagonal matrix T less than or equal to its argument w
- slaed0(3F) SLAED0 - compute all eigenvalues and corresponding eigenvectors of a symmetric tridiagonal matrix using the divide and conquer method
- slaed1(3F) SLAED1 - compute the updated eigensystem of a diagonal matrix after modification by a rank-one symmetric matrix
- slaed2(3F) SLAED2 - merge the two sets of eigenvalues together into a single sorted set
- slaed3(3F) SLAED3 - find the roots of the secular equation, as defined by the values in D, W, and RHO, between KSTART and KSTOP
- slaed4(3F) SLAED4 - subroutine computes the I-th updated eigenvalue of a symmetric rank-one modification to a diagonal matrix whose elements are given in the array d, and that D(i) < D(j) for i < j and that RHO > 0
- slaed5(3F) SLAED5 - subroutine computes the I-th eigenvalue of a symmetric rank-one modification of a 2-by-2 diagonal matrix diag( D ) + RHO The diagonal elements in the array D are assumed to satisfy D(i) < D(j) for i < j
- slaed6(3F) SLAED6 - compute the positive or negative root (closest to the origin) of z(1) z(2) z(3) f(x) = rho + --------- + ---------- + --------- d(1)-x d(2)-x d(3)-x It is assumed that if ORGATI = .true
- slaed7(3F) SLAED7 - compute the updated eigensystem of a diagonal matrix after modification by a rank-one symmetric matrix
- slaed8(3F) SLAED8 - merge the two sets of eigenvalues together into a single sorted set
- slaed9(3F) SLAED9 - find the roots of the secular equation, as defined by the values in D, Z, and RHO, between KSTART and KSTOP
- slaeda(3F) SLAEDA - compute the Z vector corresponding to the merge step in the CURLVLth step of the merge process with TLVLS steps for the CURPBMth problem
- slaein(3F) SLAEIN - use inverse iteration to find a right or left eigenvector corresponding to the eigenvalue (WR,WI) of a real upper Hessenberg matrix H
- slaev2(3F) SLAEV2 - compute the eigendecomposition of a 2-by-2 symmetric matrix [ A B ] [ B C ]
- slaexc(3F) SLAEXC - swap adjacent diagonal blocks T11 and T22 of order 1 or 2 in an upper quasi-triangular matrix T by an orthogonal similarity transformation
- slag2(3F) SLAG2 - compute the eigenvalues of a 2 x 2 generalized eigenvalue problem A - w B, with scaling as necessary to avoid over-/underflow
- slags2(3F) SLAGS2 - compute 2-by-2 orthogonal matrices U, V and Q, such that if ( UPPER ) then U'*A*Q = U'*( A1 A2 )*Q = ( x 0 ) ( 0 A3 ) ( x x ) and V'*B*Q = V'*( B1 B2 )*Q = ( x 0 ) ( 0 B3 ) ( x x ) or if ( .NOT.UPPER ) then U'*A*Q = U'*( A1 0 )*Q = ( x x ) ( A2 A3 ) ( 0 x ) and V'*B*Q = V'*( B1 0 )*Q = ( x x ) ( B2 B3 ) ( 0 x ) The rows of the transformed A and B are parallel, where U = ( CSU SNU ), V = ( CSV SNV ), Q = ( CSQ SNQ ) ( -SNU CSU ) ( -SNV CSV ) ( -SNQ CSQ ) Z' denotes the transpose of Z
- slagtf(3F) SLAGTF - factorize the matrix (T - lambda*I), where T is an n by n tridiagonal matrix and lambda is a scalar, as T - lambda*I = PLU,
- slagtm(3F) SLAGTM - perform a matrix-vector product of the form B := alpha * A * X + beta * B where A is a tridiagonal matrix of order N, B and X are N by NRHS matrices, and alpha and beta are real scalars, each of which may be 0., 1., or -1
- slagts(3F) SLAGTS - may be used to solve one of the systems of equations (T - lambda*I)*x = y or (T - lambda*I)'*x = y,
- slahqr(3F) SLAHQR - i an auxiliary routine called by SHSEQR to update the eigenvalues and Schur decomposition already computed by SHSEQR, by dealing with the Hessenberg submatrix in rows and columns ILO to IHI
- slahrd(3F) SLAHRD - reduce the first NB columns of a real general n-by-(n-k+1) matrix A so that elements below the k-th subdiagonal are zero
- slaic1(3F) SLAIC1 - applie one step of incremental condition estimation in its simplest version
- slaln2(3F) SLALN2 - solve a system of the form (ca A - w D ) X = s B or (ca A' - w D) X = s B with possible scaling ("s") and perturbation of A
- slamch(3F) SLAMCH - determine single precision machine parameters
- slamrg(3F) SLAMRG - will create a permutation list which will merge the elements of A (which is composed of two independently sorted sets) into a single set which is sorted in ascending order
- slangb(3F) SLANGB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n band matrix A, with kl sub-diagonals and ku super-diagonals
- slange(3F) SLANGE - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real matrix A
- slangt(3F) SLANGT - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real tridiagonal matrix A
- slanhs(3F) SLANHS - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a Hessenberg matrix A
- slansb(3F) SLANSB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n symmetric band matrix A, with k super-diagonals
- slansp(3F) SLANSP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric matrix A, supplied in packed form
- slanst(3F) SLANST - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric tridiagonal matrix A
- slansy(3F) SLANSY - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric matrix A
- slantb(3F) SLANTB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n triangular band matrix A, with ( k + 1 ) diagonals
- slantp(3F) SLANTP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a triangular matrix A, supplied in packed form
- slantr(3F) SLANTR - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a trapezoidal or triangular matrix A
- slanv2(3F) SLANV2 - compute the Schur factorization of a real 2-by-2 nonsymmetric matrix in standard form
- slapll(3F) SLAPLL - two column vectors X and Y, let A = ( X Y )
- slapmt(3F) SLAPMT - rearrange the columns of the M by N matrix X as specified by the permutation K(1),K(2),...,K(N) of the integers 1,...,N
- slapy2(3F) SLAPY2 - return sqrt(x**2+y**2), taking care not to cause unnecessary overflow
- slapy3(3F) SLAPY3 - return sqrt(x**2+y**2+z**2), taking care not to cause unnecessary overflow
- slaqgb(3F) SLAQGB - equilibrate a general M by N band matrix A with KL subdiagonals and KU superdiagonals using the row and scaling factors in the vectors R and C
- slaqge(3F) SLAQGE - equilibrate a general M by N matrix A using the row and scaling factors in the vectors R and C
- slaqsb(3F) SLAQSB - equilibrate a symmetric band matrix A using the scaling factors in the vector S
- slaqsp(3F) SLAQSP - equilibrate a symmetric matrix A using the scaling factors in the vector S
- slaqsy(3F) SLAQSY - equilibrate a symmetric matrix A using the scaling factors in the vector S
- slaqtr(3F) SLAQTR - solve the real quasi-triangular system op(T)*p = scale*c, if LREAL = .TRUE
- slar2v(3F) SLAR2V - applie a vector of real plane rotations from both sides to a sequence of 2-by-2 real symmetric matrices, defined by the elements of the vectors x, y and z
- slarf(3F) SLARF - applie a real elementary reflector H to a real m by n matrix C, from either the left or the right
- slarfb(3F) SLARFB - applie a real block reflector H or its transpose H' to a real m by n matrix C, from either the left or the right
- slarfg(3F) SLARFG - generate a real elementary reflector H of order n, such that H * ( alpha ) = ( beta ), H' * H = I
- slarft(3F) SLARFT - form the triangular factor T of a real block reflector H of order n, which is defined as a product of k elementary reflectors
- slarfx(3F) SLARFX - applie a real elementary reflector H to a real m by n matrix C, from either the left or the right
- slargv(3F) SLARGV - generate a vector of real plane rotations, determined by elements of the real vectors x and y
- slarnv(3F) SLARNV - return a vector of n random real numbers from a uniform or normal distribution
- slartg(3F) SLARTG - generate a plane rotation so that [ CS SN ]
- slartv(3F) SLARTV - applie a vector of real plane rotations to elements of the real vectors x and y
- slaruv(3F) SLARUV - return a vector of n random real numbers from a uniform (0,1)
- slas2(3F) SLAS2 - compute the singular values of the 2-by-2 matrix [ F G ] [ 0 H ]
- slascl(3F) SLASCL - multiplie the M by N real matrix A by the real scalar CTO/CFROM
- slaset(3F) SLASET - initialize an m-by-n matrix A to BETA on the diagonal and ALPHA on the offdiagonals
- slasq1(3F) SLASQ1 - SLASQ1 computes the singular values of a real N-by-N bidiagonal matrix with diagonal D and off-diagonal E
- slasq2(3F) SLASQ2 - SLASQ2 computes the singular values of a real N-by-N unreduced bidiagonal matrix with squared diagonal elements in Q and squared off- diagonal elements in E
- slasq3(3F) SLASQ3 - SLASQ3 is the workhorse of the whole bidiagonal SVD algorithm
- slasq4(3F) SLASQ4 - SLASQ4 estimates TAU, the smallest eigenvalue of a matrix
- slasr(3F) SLASR - perform the transformation A := P*A, when SIDE = 'L' or 'l' ( Left-hand side ) A := A*P', when SIDE = 'R' or 'r' ( Right-hand side ) where A is an m by n real matrix and P is an orthogonal matrix,
- slasrt(3F) SLASRT - the numbers in D in increasing order (if ID = 'I') or in decreasing order (if ID = 'D' )
- slassq(3F) SLASSQ - return the values scl and smsq such that ( scl**2 )*smsq = x( 1 )**2 +...+ x( n )**2 + ( scale**2 )*sumsq,
- slasv2(3F) SLASV2 - compute the singular value decomposition of a 2-by-2 triangular matrix [ F G ] [ 0 H ]
- slaswp(3F) SLASWP - perform a series of row interchanges on the matrix A
- slasy2(3F) SLASY2 - solve for the N1 by N2 matrix X, 1 <= N1,N2 <= 2, in op(TL)*X + ISGN*X*op(TR) = SCALE*B,
- slasyf(3F) SLASYF - compute a partial factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- slatbs(3F) SLATBS - solve one of the triangular systems A *x = s*b or A'*x = s*b with scaling to prevent overflow, where A is an upper or lower triangular band matrix
- slatps(3F) SLATPS - solve one of the triangular systems A *x = s*b or A'*x = s*b with scaling to prevent overflow, where A is an upper or lower triangular matrix stored in packed form
- slatrd(3F) SLATRD - reduce NB rows and columns of a real symmetric matrix A to symmetric tridiagonal form by an orthogonal similarity transformation Q' * A * Q, and returns the matrices V and W which are needed to apply the transformation to the unreduced part of A
- slatrs(3F) SLATRS - solve one of the triangular systems A *x = s*b or A'*x = s*b with scaling to prevent overflow
- slatzm(3F) SLATZM - applie a Householder matrix generated by STZRQF to a matrix
- slauu2(3F) SLAUU2 - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- slauum(3F) SLAUUM - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- sleep(3F) sleep - suspend execution for an interval
- solvers(3F) SOLVERS - SGI developed linear equations solvers.
- sopgtr(3F) SOPGTR - generate a real orthogonal matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by SSPTRD using packed storage
- sopmtr(3F) SOPMTR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- sorg2l(3F) SORG2L - generate an m by n real matrix Q with orthonormal columns,
- sorg2r(3F) SORG2R - generate an m by n real matrix Q with orthonormal columns,
- sorgbr(3F) SORGBR - generate one of the real orthogonal matrices Q or P**T determined by SGEBRD when reducing a real matrix A to bidiagonal form
- sorghr(3F) SORGHR - generate a real orthogonal matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by SGEHRD
- sorgl2(3F) SORGL2 - generate an m by n real matrix Q with orthonormal rows,
- sorglq(3F) SORGLQ - generate an M-by-N real matrix Q with orthonormal rows,
- sorgql(3F) SORGQL - generate an M-by-N real matrix Q with orthonormal columns,
- sorgqr(3F) SORGQR - generate an M-by-N real matrix Q with orthonormal columns,
- sorgr2(3F) SORGR2 - generate an m by n real matrix Q with orthonormal rows,
- sorgrq(3F) SORGRQ - generate an M-by-N real matrix Q with orthonormal rows,
- sorgtr(3F) SORGTR - generate a real orthogonal matrix Q which is defined as the product of n-1 elementary reflectors of order N, as returned by SSYTRD
- sorm2l(3F) SORM2L - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- sorm2r(3F) SORM2R - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- sormbr(3F) SORMBR - VECT = 'Q', SORMBR overwrites the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- sormhr(3F) SORMHR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- sorml2(3F) SORML2 - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- sormlq(3F) SORMLQ - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- sormql(3F) SORMQL - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- sormqr(3F) SORMQR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- sormr2(3F) SORMR2 - overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
- sormrq(3F) SORMRQ - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- sormtr(3F) SORMTR - overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- SPBCO(3F) SPBCO - SPBCO factors a real symmetric positive definite matrix stored in band form and estimates the condition of the matrix.
- spbcon(3F) SPBCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite band matrix using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPBTRF
- SPBDI(3F) SPBDI - SPBDI computes the determinant of a real symmetric positive definite band matrix using the factors computed by SPBCO or SPBFA. If the inverse is needed, use SPBSL N times.
- spbequ(3F) SPBEQU - compute row and column scalings intended to equilibrate a symmetric positive definite band matrix A and reduce its condition number (with respect to the two-norm)
- SPBFA(3F) SPBFA - SPBFA factors a real symmetric positive definite matrix stored in band form.
- spbrfs(3F) SPBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite and banded, and provides error bounds and backward error estimates for the solution
- SPBSL(3F) SPBSL - SPBSL solves the real symmetric positive definite band system A*X = B using the factors computed by SPBCO or SPBFA.
- spbstf(3F) SPBSTF - compute a split Cholesky factorization of a real symmetric positive definite band matrix A
- spbsv(3F) SPBSV - compute the solution to a real system of linear equations A * X = B,
- spbsvx(3F) SPBSVX - use the Cholesky factorization A = U**T*U or A = L*L**T to compute the solution to a real system of linear equations A * X = B,
- spbtf2(3F) SPBTF2 - compute the Cholesky factorization of a real symmetric positive definite band matrix A
- spbtrf(3F) SPBTRF - compute the Cholesky factorization of a real symmetric positive definite band matrix A
- spbtrs(3F) SPBTRS - solve a system of linear equations A*X = B with a symmetric positive definite band matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPBTRF
- spmv(3F) SSPMV, DSPMV - Multiplies a real or complex symmetric packed matrix by a real or complex vector
- SPOCO(3F) SPOCO - SPOCO factors a real symmetric positive definite matrix and estimates the condition of the matrix.
- spocon(3F) SPOCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite matrix using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPOTRF
- SPODI(3F) SPODI - SPODI computes the determinant and inverse of a certain real symmetric positive definite matrix (see below) using the factors computed by SPOCO, SPOFA or SQRDC.
- spoequ(3F) SPOEQU - compute row and column scalings intended to equilibrate a symmetric positive definite matrix A and reduce its condition number (with respect to the two-norm)
- SPOFA(3F) SPOFA - SPOFA factors a real symmetric positive definite matrix.
- sporfs(3F) SPORFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite,
- SPOSL(3F) SPOSL - SPOSL solves the real symmetric positive definite system A * X = B using the factors computed by SPOCO or SPOFA.
- sposv(3F) SPOSV - compute the solution to a real system of linear equations A * X = B,
- sposvx(3F) SPOSVX - use the Cholesky factorization A = U**T*U or A = L*L**T to compute the solution to a real system of linear equations A * X = B,
- spotf2(3F) SPOTF2 - compute the Cholesky factorization of a real symmetric positive definite matrix A
- spotrf(3F) SPOTRF - compute the Cholesky factorization of a real symmetric positive definite matrix A
- spotri(3F) SPOTRI - compute the inverse of a real symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPOTRF
- spotrs(3F) SPOTRS - solve a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPOTRF
- SPPCO(3F) SPPCO - SPPCO factors a real symmetric positive definite matrix stored in packed form and estimates the condition of the matrix.
- sppcon(3F) SPPCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite packed matrix using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPPTRF
- SPPDI(3F) SPPDI - SPPDI computes the determinant and inverse of a real symmetric positive definite matrix using the factors computed by SPPCO or SPPFA .
- sppequ(3F) SPPEQU - compute row and column scalings intended to equilibrate a symmetric positive definite matrix A in packed storage and reduce its condition number (with respect to the two-norm)
- SPPFA(3F) SPPFA - SPPFA factors a real symmetric positive definite matrix stored in packed form.
- spprfs(3F) SPPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite and packed, and provides error bounds and backward error estimates for the solution
- SPPSL(3F) SPPSL - SPPSL solves the real symmetric positive definite system A * X = B using the factors computed by SPPCO or SPPFA.
- sppsv(3F) SPPSV - compute the solution to a real system of linear equations A * X = B,
- sppsvx(3F) SPPSVX - use the Cholesky factorization A = U**T*U or A = L*L**T to compute the solution to a real system of linear equations A * X = B,
- spptrf(3F) SPPTRF - compute the Cholesky factorization of a real symmetric positive definite matrix A stored in packed format
- spptri(3F) SPPTRI - compute the inverse of a real symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPPTRF
- spptrs(3F) SPPTRS - solve a system of linear equations A*X = B with a symmetric positive definite matrix A in packed storage using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPPTRF
- spr(3F) SSPR, DSPR - Performs symmetric rank 1 update of a real or complex symmetric packed matrix
- spr2(3F) SSPR2, DSPR2 - Performs symmetric rank 2 update of a real symmetric packed matrix
- sprod1du(3F) sprod1du, dprod1du - Compute the product of a 1D Fourier transform with a 1D filter.
- sprod2du(3F) sprod2du, dprod2du - Compute the product of a 2D Fourier transforms with a 2D filter.
- sprod3du(3F) sprod3du, dprod3du - Compute the product of a 3D Fourier transforms with a 3D filter.
- sprodm1du(3F) sprodm1du, dprodm1du - Compute the product of Multiple 1D Fourier transforms with Multiple 1D filters.
- sptcon(3F) SPTCON - compute the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite tridiagonal matrix using the factorization A = L*D*L**T or A = U**T*D*U computed by SPTTRF
- spteqr(3F) SPTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric positive definite tridiagonal matrix by first factoring the matrix using SPTTRF, and then calling SBDSQR to compute the singular values of the bidiagonal factor
- sptrfs(3F) SPTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite and tridiagonal, and provides error bounds and backward error estimates for the solution
- SPTSL(3F) SPTSL - SPTSL given a positive definite tridiagonal matrix and a right hand side will find the solution.
- sptsv(3F) SPTSV - compute the solution to a real system of linear equations A*X = B, where A is an N-by-N symmetric positive definite tridiagonal matrix, and X and B are N-by-NRHS matrices
- sptsvx(3F) SPTSVX - use the factorization A = L*D*L**T to compute the solution to a real system of linear equations A*X = B, where A is an N-by-N symmetric positive definite tridiagonal matrix and X and B are N-by-NRHS matrices
- spttrf(3F) SPTTRF - compute the factorization of a real symmetric positive definite tridiagonal matrix A
- spttrs(3F) SPTTRS - solve a system of linear equations A * X = B with a symmetric positive definite tridiagonal matrix A using the factorization A = L*D*L**T or A = U**T*D*U computed by SPTTRF
- SQRDC(3F) SQRDC - SQRDC uses Householder transformations to compute the QR factorization of an N by P matrix X. Column pivoting based on the 2- norms of the reduced columns may be performed at the user's option.
- SQRSL(3F) SQRSL - SQRSL applies the output of SQRDC to compute coordinate transformations, projections, and least squares solutions. For K .LE. MIN(N,P), let XK be the matrix
- sqrt(3F) sqrt, dsqrt, qsqrt, csqrt, zsqrt, cqsqrt - FORTRAN square root intrinsic function
- srscl(3F) SRSCL - multiplie an n-element real vector x by the real scalar 1/a
- ssapi(3F) ssrt_caliper_point, ssrt_buffer_clear - SpeedShop runtime library for Fortran applications
- ssbev(3F) SSBEV - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A
- ssbevd(3F) SSBEVD - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A
- ssbevx(3F) SSBEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A
- ssbgst(3F) SSBGST - reduce a real symmetric-definite banded generalized eigenproblem A*x = lambda*B*x to standard form C*y = lambda*y,
- ssbgv(3F) SSBGV - compute all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite banded eigenproblem, of the form A*x=(lambda)*B*x
- ssbtrd(3F) SSBTRD - reduce a real symmetric band matrix A to symmetric tridiagonal form T by an orthogonal similarity transformation
- sscal1d(3F) sscal1d, dscal1d - scales a 1D real sequence.
- sscal2d(3F) sscal2d, dscal2d - scales 2D real sequence.
- sscal3d(3F) sscal3d, dscal3d - scales 3D real sequence.
- sscalm1d(3F) sscalm1d, dscalm1d - scales Multiple 1D real sequences.
- SSICO(3F) SSICO - SSICO factors a real symmetric matrix by elimination with symmetric pivoting and estimates the condition of the matrix.
- SSIDI(3F) SSIDI - SSIDI computes the determinant, inertia and inverse of a real symmetric matrix using the factors from SSIFA.
- SSIFA(3F) SSIFA - SSIFA factors a real symmetric matrix by elimination with symmetric pivoting.
- SSISL(3F) SSISL - SSISL solves the real symmetric system A * X = B using the factors computed by SSIFA.
- SSPCO(3F) SSPCO - SSPCO factors a real symmetric matrix stored in packed form by elimination with symmetric pivoting and estimates the condition of the matrix.
- sspcon(3F) SSPCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric packed matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by SSPTRF
- SSPDI(3F) SSPDI - SSPDI computes the determinant, inertia and inverse of a real symmetric matrix using the factors from SSPFA, where the matrix is stored in packed form.
- sspev(3F) SSPEV - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage
- sspevd(3F) SSPEVD - compute all the eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage
- sspevx(3F) SSPEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage
- SSPFA(3F) SSPFA - SSPFA factors a real symmetric matrix stored in packed form by elimination with symmetric pivoting.
- sspgst(3F) SSPGST - reduce a real symmetric-definite generalized eigenproblem to standard form, using packed storage
- sspgv(3F) SSPGV - compute all the eigenvalues and, optionally, the eigenvectors of a real generalized symmetric-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- ssprfs(3F) SSPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite and packed, and provides error bounds and backward error estimates for the solution
- SSPSL(3F) SSPSL - SSISL solves the real symmetric system A * X = B using the factors computed by SSPFA.
- sspsv(3F) SSPSV - compute the solution to a real system of linear equations A * X = B,
- sspsvx(3F) SSPSVX - use the diagonal pivoting factorization A = U*D*U**T or A = L*D*L**T to compute the solution to a real system of linear equations A * X = B, where A is an N-by-N symmetric matrix stored in packed format and X and B are N-by-NRHS matrices
- ssptrd(3F) SSPTRD - reduce a real symmetric matrix A stored in packed form to symmetric tridiagonal form T by an orthogonal similarity transformation
- ssptrf(3F) SSPTRF - compute the factorization of a real symmetric matrix A stored in packed format using the Bunch-Kaufman diagonal pivoting method
- ssptri(3F) SSPTRI - compute the inverse of a real symmetric indefinite matrix A in packed storage using the factorization A = U*D*U**T or A = L*D*L**T computed by SSPTRF
- ssptrs(3F) SSPTRS - solve a system of linear equations A*X = B with a real symmetric matrix A stored in packed format using the factorization A = U*D*U**T or A = L*D*L**T computed by SSPTRF
- sstebz(3F) SSTEBZ - compute the eigenvalues of a symmetric tridiagonal matrix T
- sstedc(3F) SSTEDC - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the divide and conquer method
- sstein(3F) SSTEIN - compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration
- ssteqr(3F) SSTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or QR method
- ssterf(3F) SSTERF - compute all eigenvalues of a symmetric tridiagonal matrix using the Pal-Walker-Kahan variant of the QL or QR algorithm
- sstev(3F) SSTEV - compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
- sstevd(3F) SSTEVD - compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix
- sstevx(3F) SSTEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
- SSVDC(3F) SSVDC - SSVDC is a subroutine to reduce a real NxP matrix X by orthogonal transformations U and V to diagonal form. The diagonal elements S(I) are the singular values of X. The columns of U are the corresponding left singular vectors, and the columns of V the right singular vectors.
- ssycon(3F) SSYCON - estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by SSYTRF
- ssyev(3F) SSYEV - compute all eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
- ssyevd(3F) SSYEVD - compute all eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
- ssyevx(3F) SSYEVX - compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
- ssygs2(3F) SSYGS2 - reduce a real symmetric-definite generalized eigenproblem to standard form
- ssygst(3F) SSYGST - reduce a real symmetric-definite generalized eigenproblem to standard form
- ssygv(3F) SSYGV - compute all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- ssyrfs(3F) SSYRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite, and provides error bounds and backward error estimates for the solution
- ssysv(3F) SSYSV - compute the solution to a real system of linear equations A * X = B,
- ssysvx(3F) SSYSVX - use the diagonal pivoting factorization to compute the solution to a real system of linear equations A * X = B,
- ssytd2(3F) SSYTD2 - reduce a real symmetric matrix A to symmetric tridiagonal form T by an orthogonal similarity transformation
- ssytf2(3F) SSYTF2 - compute the factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- ssytrd(3F) SSYTRD - reduce a real symmetric matrix A to real symmetric tridiagonal form T by an orthogonal similarity transformation
- ssytrf(3F) SSYTRF - compute the factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- ssytri(3F) SSYTRI - compute the inverse of a real symmetric indefinite matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by SSYTRF
- ssytrs(3F) SSYTRS - solve a system of linear equations A*X = B with a real symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by SSYTRF
- stbcon(3F) STBCON - estimate the reciprocal of the condition number of a triangular band matrix A, in either the 1-norm or the infinity-norm
- stbrfs(3F) STBRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular band coefficient matrix
- stbtrs(3F) STBTRS - solve a triangular system of the form A * X = B or A**T * X = B,
- stgevc(3F) STGEVC - compute some or all of the right and/or left generalized eigenvectors of a pair of real upper triangular matrices (A,B)
- stgsja(3F) STGSJA - compute the generalized singular value decomposition (GSVD) of two real upper triangular (or trapezoidal) matrices A and B
- stpcon(3F) STPCON - estimate the reciprocal of the condition number of a packed triangular matrix A, in either the 1-norm or the infinity-norm
- stprfs(3F) STPRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular packed coefficient matrix
- stptri(3F) STPTRI - compute the inverse of a real upper or lower triangular matrix A stored in packed format
- stptrs(3F) STPTRS - solve a triangular system of the form A * X = B or A**T * X = B,
- strcmp(3F) STRCMP - Fortran string comparison intrinsic functions
- STRCO(3F) STRCO - STRCO estimates the condition of a real triangular matrix.
- strcon(3F) STRCON - estimate the reciprocal of the condition number of a triangular matrix A, in either the 1-norm or the infinity-norm
- STRDI(3F) STRDI - STRDI computes the determinant and inverse of a real triangular matrix.
- strevc(3F) STREVC - compute some or all of the right and/or left eigenvectors of a real upper quasi-triangular matrix T
- strexc(3F) STREXC - reorder the real Schur factorization of a real matrix A = Q*T*Q**T, so that the diagonal block of T with row index IFST is moved to row ILST
- strrfs(3F) STRRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular coefficient matrix
- strsen(3F) STRSEN - reorder the real Schur factorization of a real matrix A = Q*T*Q**T, so that a selected cluster of eigenvalues appears in the leading diagonal blocks of the upper quasi-triangular matrix T,
- STRSL(3F) STRSL - STRSL solves systems of the form
- strsna(3F) STRSNA - estimate reciprocal condition numbers for specified eigenvalues and/or right eigenvectors of a real upper quasi-triangular matrix T (or of any matrix Q*T*Q**T with Q orthogonal)
- strsyl(3F) STRSYL - solve the real Sylvester matrix equation
- strti2(3F) STRTI2 - compute the inverse of a real upper or lower triangular matrix
- strtri(3F) STRTRI - compute the inverse of a real upper or lower triangular matrix A
- strtrs(3F) STRTRS - solve a triangular system of the form A * X = B or A**T * X = B,
- stzrqf(3F) STZRQF - reduce the M-by-N ( M<=N ) real upper trapezoidal matrix A to upper triangular form by means of orthogonal transformations
- SVD(3F) SVD, SSVD - EISPACK routine. This subroutine determines the singular value decomposition T A=USV of a REAL M by N rectangular matrix. Householder bidiagonalization and a variant of the QR algorithm are used.
- swap(3F) SSWAP, DSWAP, CSWAP, ZSWAP - Swaps two real or complex vectors
- symm(3F) SSYMM, DSYMM, CSYMM, ZSYMM - Multiplies a real or complex general matrix by a real or complex symmetric matrix
- symv(3F) SSYMV, DSYMV - Multiplies a real or complex vector by a real or complex symmetric matrix
- sync(3F) sync: synchronize, fetch_and_add, fetch_and_sub, fetch_and_or, fetch_and_and, fetch_and_xor, fetch_and_nand, add_and_fetch, sub_and_fetch, or_and_fetch, and_and_fetch, xor_and_fetch, nand_and_fetch, lock_test_and_set, lock_release - FORTRAN synchronization primitives for multiprocessing
- syr(3F) SSYR, DSYR - Performs symmetric rank 1 update of a real or complex symmetric matrix
- syr2(3F) SSYR2, DSYR2 - Performs symmetric rank 2 update of a real symmetric matrix
- syr2k(3F) SSYR2K, DSYR2K, CSYR2K, ZSYR2K - Performs symmetric rank 2k update of a real or complex symmetric matrix
- syrk(3F) SSYRK, DSYRK, CSYRK, ZSYRK - Performs symmetric rank k update of a real or complex symmetric matrix
- sysclock(3F) SYSCLOCK - Returns real-time clock value and number of wraps
- system(3F) system - issue a shell command from Fortran
- tan(3F) tan, dtan, qtan, tand, dtand, qtand - FORTRAN tangent intrinsic function
- tanh(3F) tanh, dtanh, qtanh - FORTRAN hyperbolic tangent intrinsic function
- tapeio(3F) topen, tclose, tread, twrite, trewin, tskipf, tstate - FORTRAN tape device-specific I/O routines
- tbmv(3F) STBMV, DTBMV, CTBMV, ZTBMV - Multiplies a real or complex vector by a real or complex triangular band matrix
- tbsv(3F) STBSV, DTBSV, CTBSV, ZTBSV - Solves a real or complex triangular banded system of equations
- time(3F) time, ctime, ltime, gmtime - return system time
- timef(3F) TIMEF - Returns elapsed wall-clock time in milliseconds since the initial call to TIMEF
- TINVIT(3F) TINVIT, STINVIT - EISPACK routine. This subroutine finds those eigenvectors of a TRIDIAGONAL SYMMETRIC matrix corresponding to specified eigenvalues, using inverse iteration.
- tpmv(3F) STPMV, DTPMV, CTPMV, ZTPMV - Multiplies a real or complex vector by a real or complex triangular packed matrix
- tpsv(3F) STPSV, DTPSV, CTPSV, ZTPSV - Solves a real or complex triangular packed system of equations
- TQL1(3F) TQL1, STQL1 - EISPACK routine. This subroutine finds the eigenvalues of a SYMMETRIC TRIDIAGONAL matrix by the QL method.
- TQL2(3F) TQL2, STQL2 - EISPACK routine. This subroutine finds the eigenvalues and eigenvectors of a SYMMETRIC TRIDIAGONAL matrix by the QL method. The eigenvectors of a FULL SYMMETRIC matrix can also be found if TRED2 has been used to reduce this full matrix to tridiagonal form.
- TQLRAT(3F) TQLRAT, STQLRAT - EISPACK routine. This subroutine finds the eigenvalues of a SYMMETRIC TRIDIAGONAL matrix by the rational QL method.
- TRBAK1(3F) TRBAK1, STRBAK1 - EISPACK routine. This subroutine forms the eigenvectors of a REAL SYMMETRIC matrix by back transforming those of the corresponding symmetric tridiagonal matrix determined by TRED1.
- TRBAK3(3F) TRBAK3, STRBAK3 - EISPACK routine. This subroutine forms the eigenvectors of a REAL SYMMETRIC matrix by back transforming those of the corresponding symmetric tridiagonal matrix determined by TRED3.
- TRED1(3F) TRED1, STRED1 - EISPACK routine. This subroutine reduces a REAL SYMMETRIC matrix to a symmetric tridiagonal matrix using orthogonal similarity transformations.
- TRED2(3F) TRED2, STRED2 - EISPACK routine. This subroutine reduces a REAL SYMMETRIC matrix to a symmetric tridiagonal matrix using and accumulating orthogonal similarity transformations.
- TRED3(3F) TRED3, STRED3 - EISPACK routine. This subroutine reduces a REAL SYMMETRIC matrix, stored as a one-dimensional array, to a symmetric tridiagonal matrix using orthogonal similarity transformations.
- TRIDIB(3F) TRIDIB, STRIDIB - EISPACK routine. This subroutine finds those eigenvalues of a TRIDIAGONAL SYMMETRIC matrix between specified boundary indices, using bisection.
- trimlen(3F) TRIMLEN - Returns the length of a character argument without counting trailing blanks
- trmm(3F) STRMM, DTRMM, CTRMM, ZTRMM - Multiplies a real or complex general matrix by a real or complex triangular matrix
- trmv(3F) STRMV, DTRMV, CTRMV, ZTRMV - Multiplies a real or complex vector by a real or complex triangular matrix
- trsm(3F) STRSM, DTRSM, CTRSM, ZTRSM - Solves a real or complex triangular system of equations with multiple right-hand sides
- trsv(3F) STRSV, DTRSV, CTRSV, ZTRSV - Solves a real or complex triangular system of equations
- TSTURM(3F) TSTURM, STSTURM - EISPACK routine. This subroutine finds those eigenvalues of a TRIDIAGONAL SYMMETRIC matrix which lie in a specified interval and their associated eigenvectors, using bisection and inverse iteration.
- ttynam(3F) ttynam, isatty - find name of a terminal port
- uscctc(3F) USCCTC, USCCTI - Converts EBCDIC character data to ASCII character data, and vice versa
- varargs(3F) varargs, argmnt, getadr, nullok, xetarg, retour - Allow variable number of arguments in argument list
- vax2mips(3F) VAX2MIPS, MIPS2VAX - Converts generic IEEE data to MIPS IEEE data and vice versa
- wnl(3F) WNLFLAG, WNLDELM, WNLSEP, WNLREP - Provides user control of NAMELIST output format
- wnlline(3F) WNLLINE - Allows each NAMELIST variable to begin on a new line
- wnllong(3F) WNLLONG - Selects NAMELIST output line length
- xerbla(3F) XERBLA - i an error handler for the LAPACK routines
- zabs(3F) ZABS - Fortran 77 absolute value
- zbdsqr(3F) ZBDSQR - compute the singular value decomposition (SVD) of a real N-by-N (upper or lower) bidiagonal matrix B
- zcos(3F) zcos - Fortran COMPLEX*16 cosine intrinsic function
- zdrscl(3F) ZDRSCL - multiplie an n-element complex vector x by the real scalar 1/a
- zexp(3F) cexp - Fortran COMPLEX*16 exponential intrinsic function
- zgbbrd(3F) ZGBBRD - reduce a complex general m-by-n band matrix A to real upper bidiagonal form B by a unitary transformation
- zgbcon(3F) ZGBCON - estimate the reciprocal of the condition number of a complex general band matrix A, in either the 1-norm or the infinity-norm,
- zgbequ(3F) ZGBEQU - compute row and column scalings intended to equilibrate an M- by-N band matrix A and reduce its condition number
- zgbrfs(3F) ZGBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is banded, and provides error bounds and backward error estimates for the solution
- zgbsv(3F) ZGBSV - compute the solution to a complex system of linear equations A * X = B, where A is a band matrix of order N with KL subdiagonals and KU superdiagonals, and X and B are N-by-NRHS matrices
- zgbsvx(3F) ZGBSVX - use the LU factorization to compute the solution to a complex system of linear equations A * X = B, A**T * X = B, or A**H * X = B,
- zgbtf2(3F) ZGBTF2 - compute an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges
- zgbtrf(3F) ZGBTRF - compute an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges
- zgbtrs(3F) ZGBTRS - solve a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general band matrix A using the LU factorization computed by ZGBTRF
- zgebak(3F) ZGEBAK - form the right or left eigenvectors of a complex general matrix by backward transformation on the computed eigenvectors of the balanced matrix output by ZGEBAL
- zgebal(3F) ZGEBAL - balance a general complex matrix A
- zgebd2(3F) ZGEBD2 - reduce a complex general m by n matrix A to upper or lower real bidiagonal form B by a unitary transformation
- zgebrd(3F) ZGEBRD - reduce a general complex M-by-N matrix A to upper or lower bidiagonal form B by a unitary transformation
- zgecon(3F) ZGECON - estimate the reciprocal of the condition number of a general complex matrix A, in either the 1-norm or the infinity-norm, using the LU factorization computed by ZGETRF
- zgeequ(3F) ZGEEQU - compute row and column scalings intended to equilibrate an M- by-N matrix A and reduce its condition number
- zgees(3F) ZGEES - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues, the Schur form T, and, optionally, the matrix of Schur vectors Z
- zgeesx(3F) ZGEESX - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues, the Schur form T, and, optionally, the matrix of Schur vectors Z
- zgeev(3F) ZGEEV - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- zgeevx(3F) ZGEEVX - compute for an N-by-N complex nonsymmetric matrix A, the eigenvalues and, optionally, the left and/or right eigenvectors
- zgegs(3F) ZGEGS - compute for a pair of N-by-N complex nonsymmetric matrices A,
- zgegv(3F) ZGEGV - compute for a pair of N-by-N complex nonsymmetric matrices A and B, the generalized eigenvalues (alpha, beta), and optionally,
- zgehd2(3F) ZGEHD2 - reduce a complex general matrix A to upper Hessenberg form H by a unitary similarity transformation
- zgehrd(3F) ZGEHRD - reduce a complex general matrix A to upper Hessenberg form H by a unitary similarity transformation
- zgelq2(3F) ZGELQ2 - compute an LQ factorization of a complex m by n matrix A
- zgelqf(3F) ZGELQF - compute an LQ factorization of a complex M-by-N matrix A
- zgels(3F) ZGELS - solve overdetermined or underdetermined complex linear systems involving an M-by-N matrix A, or its conjugate-transpose, using a QR or LQ factorization of A
- zgelss(3F) ZGELSS - compute the minimum norm solution to a complex linear least squares problem
- zgelsx(3F) ZGELSX - compute the minimum-norm solution to a complex linear least squares problem
- zgeql2(3F) ZGEQL2 - compute a QL factorization of a complex m by n matrix A
- zgeqlf(3F) ZGEQLF - compute a QL factorization of a complex M-by-N matrix A
- zgeqpf(3F) ZGEQPF - compute a QR factorization with column pivoting of a complex M- by-N matrix A
- zgeqr2(3F) ZGEQR2 - compute a QR factorization of a complex m by n matrix A
- zgeqrf(3F) ZGEQRF - compute a QR factorization of a complex M-by-N matrix A
- zgerfs(3F) ZGERFS - improve the computed solution to a system of linear equations and provides error bounds and backward error estimates for the solution
- zgerq2(3F) ZGERQ2 - compute an RQ factorization of a complex m by n matrix A
- zgerqf(3F) ZGERQF - compute an RQ factorization of a complex M-by-N matrix A
- zgesv(3F) ZGESV - compute the solution to a complex system of linear equations A * X = B,
- zgesvd(3F) ZGESVD - compute the singular value decomposition (SVD) of a complex M- by-N matrix A, optionally computing the left and/or right singular vectors
- zgesvx(3F) ZGESVX - use the LU factorization to compute the solution to a complex system of linear equations A * X = B,
- zgetf2(3F) ZGETF2 - compute an LU factorization of a general m-by-n matrix A using partial pivoting with row interchanges
- zgetrf(3F) ZGETRF - compute an LU factorization of a general M-by-N matrix A using partial pivoting with row interchanges
- zgetri(3F) ZGETRI - compute the inverse of a matrix using the LU factorization computed by ZGETRF
- zgetrs(3F) ZGETRS - solve a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by ZGETRF
- zggbak(3F) ZGGBAK - form the right or left eigenvectors of a complex generalized eigenvalue problem A*x = lambda*B*x, by backward transformation on the computed eigenvectors of the balanced pair of matrices output by ZGGBAL
- zggbal(3F) ZGGBAL - balance a pair of general complex matrices (A,B)
- zggglm(3F) ZGGGLM - solve a general Gauss-Markov linear model (GLM) problem
- zgghrd(3F) ZGGHRD - reduce a pair of complex matrices (A,B) to generalized upper Hessenberg form using unitary transformations, where A is a general matrix and B is upper triangular
- zgglse(3F) ZGGLSE - solve the linear equality-constrained least squares (LSE) problem
- zggqrf(3F) ZGGQRF - compute a generalized QR factorization of an N-by-M matrix A and an N-by-P matrix B
- zggrqf(3F) ZGGRQF - compute a generalized RQ factorization of an M-by-N matrix A and a P-by-N matrix B
- zggsvd(3F) ZGGSVD - compute the generalized singular value decomposition (GSVD) of an M-by-N complex matrix A and P-by-N complex matrix B
- zggsvp(3F) ZGGSVP - compute unitary matrices U, V and Q such that N-K-L K L U'*A*Q = K ( 0 A12 A13 ) if M-K-L >= 0
- zgtcon(3F) ZGTCON - estimate the reciprocal of the condition number of a complex tridiagonal matrix A using the LU factorization as computed by ZGTTRF
- zgtrfs(3F) ZGTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is tridiagonal, and provides error bounds and backward error estimates for the solution
- zgtsv(3F) ZGTSV - solve the equation A*X = B,
- zgtsvx(3F) ZGTSVX - use the LU factorization to compute the solution to a complex system of linear equations A * X = B, A**T * X = B, or A**H * X = B,
- zgttrf(3F) ZGTTRF - compute an LU factorization of a complex tridiagonal matrix A using elimination with partial pivoting and row interchanges
- zgttrs(3F) ZGTTRS - solve one of the systems of equations A * X = B, A**T * X = B, or A**H * X = B,
- zhbev(3F) ZHBEV - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
- zhbevd(3F) ZHBEVD - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
- zhbevx(3F) ZHBEVX - compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
- zhbgst(3F) ZHBGST - reduce a complex Hermitian-definite banded generalized eigenproblem A*x = lambda*B*x to standard form C*y = lambda*y,
- zhbgv(3F) ZHBGV - compute all the eigenvalues, and optionally, the eigenvectors of a complex generalized Hermitian-definite banded eigenproblem, of the form A*x=(lambda)*B*x
- zhbtrd(3F) ZHBTRD - reduce a complex Hermitian band matrix A to real symmetric tridiagonal form T by a unitary similarity transformation
- zhecon(3F) ZHECON - estimate the reciprocal of the condition number of a complex Hermitian matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by ZHETRF
- zheev(3F) ZHEEV - compute all eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A
- zheevd(3F) ZHEEVD - compute all eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A
- zheevx(3F) ZHEEVX - compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A
- zhegs2(3F) ZHEGS2 - reduce a complex Hermitian-definite generalized eigenproblem to standard form
- zhegst(3F) ZHEGST - reduce a complex Hermitian-definite generalized eigenproblem to standard form
- zhegv(3F) ZHEGV - compute all the eigenvalues, and optionally, the eigenvectors of a complex generalized Hermitian-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- zherfs(3F) ZHERFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian indefinite, and provides error bounds and backward error estimates for the solution
- zhesv(3F) ZHESV - compute the solution to a complex system of linear equations A * X = B,
- zhesvx(3F) ZHESVX - use the diagonal pivoting factorization to compute the solution to a complex system of linear equations A * X = B,
- zhetd2(3F) ZHETD2 - reduce a complex Hermitian matrix A to real symmetric tridiagonal form T by a unitary similarity transformation
- zhetf2(3F) ZHETF2 - compute the factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method
- zhetrd(3F) ZHETRD - reduce a complex Hermitian matrix A to real symmetric tridiagonal form T by a unitary similarity transformation
- zhetrf(3F) ZHETRF - compute the factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method
- zhetri(3F) ZHETRI - compute the inverse of a complex Hermitian indefinite matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by ZHETRF
- zhetrs(3F) ZHETRS - solve a system of linear equations A*X = B with a complex Hermitian matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by ZHETRF
- zhgeqz(3F) ZHGEQZ - implement a single-shift version of the QZ method for finding the generalized eigenvalues w(i)=ALPHA(i)/BETA(i) of the equation det( A - w(i) B ) = 0 If JOB='S', then the pair (A,B) is simultaneously reduced to Schur form (i.e., A and B are both upper triangular) by applying one unitary tranformation (usually called Q) on the left and another (usually called Z) on the right
- zhpcon(3F) ZHPCON - estimate the reciprocal of the condition number of a complex Hermitian packed matrix A using the factorization A = U*D*U**H or A = L*D*L**H computed by ZHPTRF
- zhpev(3F) ZHPEV - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix in packed storage
- zhpevd(3F) ZHPEVD - compute all the eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A in packed storage
- zhpevx(3F) ZHPEVX - compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian matrix A in packed storage
- zhpgst(3F) ZHPGST - reduce a complex Hermitian-definite generalized eigenproblem to standard form, using packed storage
- zhpgv(3F) ZHPGV - compute all the eigenvalues and, optionally, the eigenvectors of a complex generalized Hermitian-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
- zhprfs(3F) ZHPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian indefinite and packed, and provides error bounds and backward error estimates for the solution
- zhpsv(3F) ZHPSV - compute the solution to a complex system of linear equations A * X = B,
- zhpsvx(3F) ZHPSVX - use the diagonal pivoting factorization A = U*D*U**H or A = L*D*L**H to compute the solution to a complex system of linear equations A * X = B, where A is an N-by-N Hermitian matrix stored in packed format and X and B are N-by-NRHS matrices
- zhptrd(3F) ZHPTRD - reduce a complex Hermitian matrix A stored in packed form to real symmetric tridiagonal form T by a unitary similarity transformation
- zhptrf(3F) ZHPTRF - compute the factorization of a complex Hermitian packed matrix A using the Bunch-Kaufman diagonal pivoting method
- zhptri(3F) ZHPTRI - compute the inverse of a complex Hermitian indefinite matrix A in packed storage using the factorization A = U*D*U**H or A = L*D*L**H computed by ZHPTRF
- zhptrs(3F) ZHPTRS - solve a system of linear equations A*X = B with a complex Hermitian matrix A stored in packed format using the factorization A = U*D*U**H or A = L*D*L**H computed by ZHPTRF
- zhsein(3F) ZHSEIN - use inverse iteration to find specified right and/or left eigenvectors of a complex upper Hessenberg matrix H
- zhseqr(3F) ZHSEQR - compute the eigenvalues of a complex upper Hessenberg matrix H, and, optionally, the matrices T and Z from the Schur decomposition H = Z T Z**H, where T is an upper triangular matrix (the Schur form), and Z is the unitary matrix of Schur vectors
- zlabrd(3F) ZLABRD - reduce the first NB rows and columns of a complex general m by n matrix A to upper or lower real bidiagonal form by a unitary transformation Q' * A * P, and returns the matrices X and Y which are needed to apply the transformation to the unreduced part of A
- zlacgv(3F) ZLACGV - conjugate a complex vector of length N
- zlacon(3F) ZLACON - estimate the 1-norm of a square, complex matrix A
- zlacpy(3F) ZLACPY - copie all or part of a two-dimensional matrix A to another matrix B
- zlacrm(3F) ZLACRM - perform a very simple matrix-matrix multiplication
- zlacrt(3F) ZLACRT - applie a plane rotation, where the cos and sin (C and S) are complex and the vectors CX and CY are complex
- zladiv(3F) ZLADIV - := X / Y, where X and Y are complex
- zlaed0(3F) ZLAED0 - the divide and conquer method, ZLAED0 computes all eigenvalues of a symmetric tridiagonal matrix which is one diagonal block of those from reducing a dense or band Hermitian matrix and corresponding eigenvectors of the dense or band matrix
- zlaed7(3F) ZLAED7 - compute the updated eigensystem of a diagonal matrix after modification by a rank-one symmetric matrix
- zlaed8(3F) ZLAED8 - merge the two sets of eigenvalues together into a single sorted set
- zlaein(3F) ZLAEIN - use inverse iteration to find a right or left eigenvector corresponding to the eigenvalue W of a complex upper Hessenberg matrix H
- zlaesy(3F) ZLAESY - compute the eigendecomposition of a 2-by-2 symmetric matrix ( ( A, B );( B, C ) ) provided the norm of the matrix of eigenvectors is larger than some threshold value
- zlaev2(3F) ZLAEV2 - compute the eigendecomposition of a 2-by-2 Hermitian matrix [ A B ] [ CONJG(B) C ]
- zlags2(3F) ZLAGS2 - compute 2-by-2 unitary matrices U, V and Q, such that if ( UPPER ) then U'*A*Q = U'*( A1 A2 )*Q = ( x 0 ) ( 0 A3 ) ( x x ) and V'*B*Q = V'*( B1 B2 )*Q = ( x 0 ) ( 0 B3 ) ( x x ) or if ( .NOT.UPPER ) then U'*A*Q = U'*( A1 0 )*Q = ( x x ) ( A2 A3 ) ( 0 x ) and V'*B*Q = V'*( B1 0 )*Q = ( x x ) ( B2 B3 ) ( 0 x ) where U = ( CSU SNU ), V = ( CSV SNV ),
- zlagtm(3F) ZLAGTM - perform a matrix-vector product of the form B := alpha * A * X + beta * B where A is a tridiagonal matrix of order N, B and X are N by NRHS matrices, and alpha and beta are real scalars, each of which may be 0., 1., or -1
- zlahef(3F) ZLAHEF - compute a partial factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method
- zlahqr(3F) ZLAHQR - i an auxiliary routine called by ZHSEQR to update the eigenvalues and Schur decomposition already computed by ZHSEQR, by dealing with the Hessenberg submatrix in rows and columns ILO to IHI
- zlahrd(3F) ZLAHRD - reduce the first NB columns of a complex general n-by-(n-k+1) matrix A so that elements below the k-th subdiagonal are zero
- zlaic1(3F) ZLAIC1 - applie one step of incremental condition estimation in its simplest version
- zlangb(3F) ZLANGB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n band matrix A, with kl sub-diagonals and ku super-diagonals
- zlange(3F) ZLANGE - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex matrix A
- zlangt(3F) ZLANGT - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex tridiagonal matrix A
- zlanhb(3F) ZLANHB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n hermitian band matrix A, with k super-diagonals
- zlanhe(3F) ZLANHE - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex hermitian matrix A
- zlanhp(3F) ZLANHP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex hermitian matrix A, supplied in packed form
- zlanhs(3F) ZLANHS - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a Hessenberg matrix A
- zlanht(3F) ZLANHT - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex Hermitian tridiagonal matrix A
- zlansb(3F) ZLANSB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n symmetric band matrix A, with k super-diagonals
- zlansp(3F) ZLANSP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex symmetric matrix A, supplied in packed form
- zlansy(3F) ZLANSY - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex symmetric matrix A
- zlantb(3F) ZLANTB - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of an n by n triangular band matrix A, with ( k + 1 ) diagonals
- zlantp(3F) ZLANTP - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a triangular matrix A, supplied in packed form
- zlantr(3F) ZLANTR - return the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a trapezoidal or triangular matrix A
- zlapll(3F) ZLAPLL - two column vectors X and Y, let A = ( X Y )
- zlapmt(3F) ZLAPMT - rearrange the columns of the M by N matrix X as specified by the permutation K(1),K(2),...,K(N) of the integers 1,...,N
- zlaqgb(3F) ZLAQGB - equilibrate a general M by N band matrix A with KL subdiagonals and KU superdiagonals using the row and scaling factors in the vectors R and C
- zlaqge(3F) ZLAQGE - equilibrate a general M by N matrix A using the row and scaling factors in the vectors R and C
- zlaqhb(3F) ZLAQHB - equilibrate a symmetric band matrix A using the scaling factors in the vector S
- zlaqhe(3F) ZLAQHE - equilibrate a Hermitian matrix A using the scaling factors in the vector S
- zlaqhp(3F) ZLAQHP - equilibrate a Hermitian matrix A using the scaling factors in the vector S
- zlaqsb(3F) ZLAQSB - equilibrate a symmetric band matrix A using the scaling factors in the vector S
- zlaqsp(3F) ZLAQSP - equilibrate a symmetric matrix A using the scaling factors in the vector S
- zlaqsy(3F) ZLAQSY - equilibrate a symmetric matrix A using the scaling factors in the vector S
- zlar2v(3F) ZLAR2V - applie a vector of complex plane rotations with real cosines from both sides to a sequence of 2-by-2 complex Hermitian matrices,
- zlarf(3F) ZLARF - applie a complex elementary reflector H to a complex M-by-N matrix C, from either the left or the right
- zlarfb(3F) ZLARFB - applie a complex block reflector H or its transpose H' to a complex M-by-N matrix C, from either the left or the right
- zlarfg(3F) ZLARFG - generate a complex elementary reflector H of order n, such that H' * ( alpha ) = ( beta ), H' * H = I
- zlarft(3F) ZLARFT - form the triangular factor T of a complex block reflector H of order n, which is defined as a product of k elementary reflectors
- zlarfx(3F) ZLARFX - applie a complex elementary reflector H to a complex m by n matrix C, from either the left or the right
- zlargv(3F) ZLARGV - generate a vector of complex plane rotations with real cosines, determined by elements of the complex vectors x and y
- zlarnv(3F) ZLARNV - return a vector of n random complex numbers from a uniform or normal distribution
- zlartg(3F) ZLARTG - generate a plane rotation so that [ CS SN ] [ F ] [ R ] [ __ ]
- zlartv(3F) ZLARTV - applie a vector of complex plane rotations with real cosines to elements of the complex vectors x and y
- zlascl(3F) ZLASCL - multiplie the M by N complex matrix A by the real scalar CTO/CFROM
- zlaset(3F) ZLASET - initialize a 2-D array A to BETA on the diagonal and ALPHA on the offdiagonals
- zlasr(3F) ZLASR - perform the transformation A := P*A, when SIDE = 'L' or 'l' ( Left-hand side ) A := A*P', when SIDE = 'R' or 'r' ( Right-hand side ) where A is an m by n complex matrix and P is an orthogonal matrix,
- zlassq(3F) ZLASSQ - return the values scl and ssq such that ( scl**2 )*ssq = x( 1 )**2 +...+ x( n )**2 + ( scale**2 )*sumsq,
- zlaswp(3F) ZLASWP - perform a series of row interchanges on the matrix A
- zlasyf(3F) ZLASYF - compute a partial factorization of a complex symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- zlatbs(3F) ZLATBS - solve one of the triangular systems A * x = s*b, A**T * x = s*b, or A**H * x = s*b,
- zlatps(3F) ZLATPS - solve one of the triangular systems A * x = s*b, A**T * x = s*b, or A**H * x = s*b,
- zlatrd(3F) ZLATRD - reduce NB rows and columns of a complex Hermitian matrix A to Hermitian tridiagonal form by a unitary similarity transformation Q' * A * Q, and returns the matrices V and W which are needed to apply the transformation to the unreduced part of A
- zlatrs(3F) ZLATRS - solve one of the triangular systems A * x = s*b, A**T * x = s*b, or A**H * x = s*b,
- zlatzm(3F) ZLATZM - applie a Householder matrix generated by ZTZRQF to a matrix
- zlauu2(3F) ZLAUU2 - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- zlauum(3F) ZLAUUM - compute the product U * U' or L' * L, where the triangular factor U or L is stored in the upper or lower triangular part of the array A
- zlog(3F) ZLOG - Fortran natural logarithm intrinsic function
- zpbcon(3F) ZPBCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite band matrix using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPBTRF
- zpbequ(3F) ZPBEQU - compute row and column scalings intended to equilibrate a Hermitian positive definite band matrix A and reduce its condition number (with respect to the two-norm)
- zpbrfs(3F) ZPBRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and banded, and provides error bounds and backward error estimates for the solution
- zpbstf(3F) ZPBSTF - compute a split Cholesky factorization of a complex Hermitian positive definite band matrix A
- zpbsv(3F) ZPBSV - compute the solution to a complex system of linear equations A * X = B,
- zpbsvx(3F) ZPBSVX - use the Cholesky factorization A = U**H*U or A = L*L**H to compute the solution to a complex system of linear equations A * X = B,
- zpbtf2(3F) ZPBTF2 - compute the Cholesky factorization of a complex Hermitian positive definite band matrix A
- zpbtrf(3F) ZPBTRF - compute the Cholesky factorization of a complex Hermitian positive definite band matrix A
- zpbtrs(3F) ZPBTRS - solve a system of linear equations A*X = B with a Hermitian positive definite band matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPBTRF
- zpocon(3F) ZPOCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite matrix using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPOTRF
- zpoequ(3F) ZPOEQU - compute row and column scalings intended to equilibrate a Hermitian positive definite matrix A and reduce its condition number (with respect to the two-norm)
- zporfs(3F) ZPORFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite,
- zposv(3F) ZPOSV - compute the solution to a complex system of linear equations A * X = B,
- zposvx(3F) ZPOSVX - use the Cholesky factorization A = U**H*U or A = L*L**H to compute the solution to a complex system of linear equations A * X = B,
- zpotf2(3F) ZPOTF2 - compute the Cholesky factorization of a complex Hermitian positive definite matrix A
- zpotrf(3F) ZPOTRF - compute the Cholesky factorization of a complex Hermitian positive definite matrix A
- zpotri(3F) ZPOTRI - compute the inverse of a complex Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPOTRF
- zpotrs(3F) ZPOTRS - solve a system of linear equations A*X = B with a Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPOTRF
- zppcon(3F) ZPPCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite packed matrix using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPPTRF
- zppequ(3F) ZPPEQU - compute row and column scalings intended to equilibrate a Hermitian positive definite matrix A in packed storage and reduce its condition number (with respect to the two-norm)
- zpprfs(3F) ZPPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and packed, and provides error bounds and backward error estimates for the solution
- zppsv(3F) ZPPSV - compute the solution to a complex system of linear equations A * X = B,
- zppsvx(3F) ZPPSVX - use the Cholesky factorization A = U**H*U or A = L*L**H to compute the solution to a complex system of linear equations A * X = B,
- zpptrf(3F) ZPPTRF - compute the Cholesky factorization of a complex Hermitian positive definite matrix A stored in packed format
- zpptri(3F) ZPPTRI - compute the inverse of a complex Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPPTRF
- zpptrs(3F) ZPPTRS - solve a system of linear equations A*X = B with a Hermitian positive definite matrix A in packed storage using the Cholesky factorization A = U**H*U or A = L*L**H computed by ZPPTRF
- zptcon(3F) ZPTCON - compute the reciprocal of the condition number (in the 1-norm) of a complex Hermitian positive definite tridiagonal matrix using the factorization A = L*D*L**H or A = U**H*D*U computed by ZPTTRF
- zpteqr(3F) ZPTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric positive definite tridiagonal matrix by first factoring the matrix using DPTTRF and then calling ZBDSQR to compute the singular values of the bidiagonal factor
- zptrfs(3F) ZPTRFS - improve the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and tridiagonal, and provides error bounds and backward error estimates for the solution
- zptsv(3F) ZPTSV - compute the solution to a complex system of linear equations A*X = B, where A is an N-by-N Hermitian positive definite tridiagonal matrix, and X and B are N-by-NRHS matrices
- zptsvx(3F) ZPTSVX - use the factorization A = L*D*L**H to compute the solution to a complex system of linear equations A*X = B, where A is an N-by-N Hermitian positive definite tridiagonal matrix and X and B are N-by-NRHS matrices
- zpttrf(3F) ZPTTRF - compute the factorization of a complex Hermitian positive definite tridiagonal matrix A
- zpttrs(3F) ZPTTRS - solve a system of linear equations A * X = B with a Hermitian positive definite tridiagonal matrix A using the factorization A = U**H*D*U or A = L*D*L**H computed by ZPTTRF
- zsin(3F) ZSIN - Fortran COMPLEX*16 sine intrinsic function
- zspcon(3F) ZSPCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex symmetric packed matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by ZSPTRF
- zspr(3F) ZSPR - perform the symmetric rank 1 operation A := alpha*x*conjg( x' ) + A,
- zsprfs(3F) ZSPRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite and packed, and provides error bounds and backward error estimates for the solution
- zspsv(3F) ZSPSV - compute the solution to a complex system of linear equations A * X = B,
- zspsvx(3F) ZSPSVX - use the diagonal pivoting factorization A = U*D*U**T or A = L*D*L**T to compute the solution to a complex system of linear equations A * X = B, where A is an N-by-N symmetric matrix stored in packed format and X and B are N-by-NRHS matrices
- zsptrf(3F) ZSPTRF - compute the factorization of a complex symmetric matrix A stored in packed format using the Bunch-Kaufman diagonal pivoting method
- zsptri(3F) ZSPTRI - compute the inverse of a complex symmetric indefinite matrix A in packed storage using the factorization A = U*D*U**T or A = L*D*L**T computed by ZSPTRF
- zsptrs(3F) ZSPTRS - solve a system of linear equations A*X = B with a complex symmetric matrix A stored in packed format using the factorization A = U*D*U**T or A = L*D*L**T computed by ZSPTRF
- zsqrt(3F) ZSQRT - Fortran COMPLEX*16 square root intrinsic function
- zsrscl(3F) ZSRSCL - multiplie an n-element complex vector x by the real scalar 1/a
- zstedc(3F) ZSTEDC - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the divide and conquer method
- zstein(3F) ZSTEIN - compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration
- zsteqr(3F) ZSTEQR - compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or QR method
- zsycon(3F) ZSYCON - estimate the reciprocal of the condition number (in the 1-norm) of a complex symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by ZSYTRF
- zsyr(3F) ZSYR - perform the symmetric rank 1 operation A := alpha*x*( x' ) + A,
- zsyrfs(3F) ZSYRFS - improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite, and provides error bounds and backward error estimates for the solution
- zsysv(3F) ZSYSV - compute the solution to a complex system of linear equations A * X = B,
- zsysvx(3F) ZSYSVX - use the diagonal pivoting factorization to compute the solution to a complex system of linear equations A * X = B,
- zsytf2(3F) ZSYTF2 - compute the factorization of a complex symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- zsytrf(3F) ZSYTRF - compute the factorization of a complex symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
- zsytri(3F) ZSYTRI - compute the inverse of a complex symmetric indefinite matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by ZSYTRF
- zsytrs(3F) ZSYTRS - solve a system of linear equations A*X = B with a complex symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by ZSYTRF
- ztbcon(3F) ZTBCON - estimate the reciprocal of the condition number of a triangular band matrix A, in either the 1-norm or the infinity-norm
- ztbrfs(3F) ZTBRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular band coefficient matrix
- ztbtrs(3F) ZTBTRS - solve a triangular system of the form A * X = B, A**T * X = B, or A**H * X = B,
- ztgevc(3F) ZTGEVC - compute some or all of the right and/or left generalized eigenvectors of a pair of complex upper triangular matrices (A,B)
- ztgsja(3F) ZTGSJA - compute the generalized singular value decomposition (GSVD) of two complex upper triangular (or trapezoidal) matrices A and B
- ztpcon(3F) ZTPCON - estimate the reciprocal of the condition number of a packed triangular matrix A, in either the 1-norm or the infinity-norm
- ztprfs(3F) ZTPRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular packed coefficient matrix
- ztptri(3F) ZTPTRI - compute the inverse of a complex upper or lower triangular matrix A stored in packed format
- ztptrs(3F) ZTPTRS - solve a triangular system of the form A * X = B, A**T * X = B, or A**H * X = B,
- ztrcon(3F) ZTRCON - estimate the reciprocal of the condition number of a triangular matrix A, in either the 1-norm or the infinity-norm
- ztrevc(3F) ZTREVC - compute some or all of the right and/or left eigenvectors of a complex upper triangular matrix T
- ztrexc(3F) ZTREXC - reorder the Schur factorization of a complex matrix A = Q*T*Q**H, so that the diagonal element of T with row index IFST is moved to row ILST
- ztrrfs(3F) ZTRRFS - provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular coefficient matrix
- ztrsen(3F) ZTRSEN - reorder the Schur factorization of a complex matrix A = Q*T*Q**H, so that a selected cluster of eigenvalues appears in the leading positions on the diagonal of the upper triangular matrix T, and the leading columns of Q form an orthonormal basis of the corresponding right invariant subspace
- ztrsna(3F) ZTRSNA - estimate reciprocal condition numbers for specified eigenvalues and/or right eigenvectors of a complex upper triangular matrix T (or of any matrix Q*T*Q**H with Q unitary)
- ztrsyl(3F) ZTRSYL - solve the complex Sylvester matrix equation
- ztrti2(3F) ZTRTI2 - compute the inverse of a complex upper or lower triangular matrix
- ztrtri(3F) ZTRTRI - compute the inverse of a complex upper or lower triangular matrix A
- ztrtrs(3F) ZTRTRS - solve a triangular system of the form A * X = B, A**T * X = B, or A**H * X = B,
- ztzrqf(3F) ZTZRQF - reduce the M-by-N ( M<=N ) complex upper trapezoidal matrix A to upper triangular form by means of unitary transformations
- zung2l(3F) ZUNG2L - generate an m by n complex matrix Q with orthonormal columns,
- zung2r(3F) ZUNG2R - generate an m by n complex matrix Q with orthonormal columns,
- zungbr(3F) ZUNGBR - generate one of the complex unitary matrices Q or P**H determined by ZGEBRD when reducing a complex matrix A to bidiagonal form
- zunghr(3F) ZUNGHR - generate a complex unitary matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by ZGEHRD
- zungl2(3F) ZUNGL2 - generate an m-by-n complex matrix Q with orthonormal rows,
- zunglq(3F) ZUNGLQ - generate an M-by-N complex matrix Q with orthonormal rows,
- zungql(3F) ZUNGQL - generate an M-by-N complex matrix Q with orthonormal columns,
- zungqr(3F) ZUNGQR - generate an M-by-N complex matrix Q with orthonormal columns,
- zungr2(3F) ZUNGR2 - generate an m by n complex matrix Q with orthonormal rows,
- zungrq(3F) ZUNGRQ - generate an M-by-N complex matrix Q with orthonormal rows,
- zungtr(3F) ZUNGTR - generate a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors of order N, as returned by ZHETRD
- zunm2l(3F) ZUNM2L - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- zunm2r(3F) ZUNM2R - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- zunmbr(3F) ZUNMBR - VECT = 'Q', ZUNMBR overwrites the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- zunmhr(3F) ZUNMHR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- zunml2(3F) ZUNML2 - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- zunmlq(3F) ZUNMLQ - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- zunmql(3F) ZUNMQL - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- zunmqr(3F) ZUNMQR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- zunmr2(3F) ZUNMR2 - overwrite the general complex m-by-n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'C', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'C',
- zunmrq(3F) ZUNMRQ - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- zunmtr(3F) ZUNMTR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
- zupgtr(3F) ZUPGTR - generate a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by ZHPTRD using packed storage
- zupmtr(3F) ZUPMTR - overwrite the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'