NAME sptsv.f – SYNOPSIS Functions/Subroutines subroutine sptsv (N, NRHS, D, E, B, LDB, INFO) SPTSV computes the solution to system of linear equations A * X = B for PT matrices Function/Subroutine Documentation subroutine sptsv (integerN, integerNRHS, real, dimension( * )D, real, dimension( * )E, real, dimension( ldb, * )B, integerLDB, integerINFO) SPTSV computes the…
NAME sptrfs.f – SYNOPSIS Functions/Subroutines subroutine sptrfs (N, NRHS, D, E, DF, EF, B, LDB, X, LDX, FERR, BERR, WORK, INFO) SPTRFS Function/Subroutine Documentation subroutine sptrfs (integerN, integerNRHS, real, dimension( * )D, real, dimension( * )E, real, dimension( * )DF, real, dimension( * )EF, real, dimension( ldb, * )B, integerLDB, real, dimension( ldx, * )X,…
NAME spteqr.f – SYNOPSIS Functions/Subroutines subroutine spteqr (COMPZ, N, D, E, Z, LDZ, WORK, INFO) SPTEQR Function/Subroutine Documentation subroutine spteqr (characterCOMPZ, integerN, real, dimension( * )D, real, dimension( * )E, real, dimension( ldz, * )Z, integerLDZ, real, dimension( * )WORK, integerINFO) SPTEQR Purpose: SPTEQR computes all eigenvalues and, optionally, eigenvectors of a symmetric positive definite…
NAME sptcon.f – SYNOPSIS Functions/Subroutines subroutine sptcon (N, D, E, ANORM, RCOND, WORK, INFO) SPTCON Function/Subroutine Documentation subroutine sptcon (integerN, real, dimension( * )D, real, dimension( * )E, realANORM, realRCOND, real, dimension( * )WORK, integerINFO) SPTCON Purpose: SPTCON computes the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite tridiagonal…
NAME spstrf.f – SYNOPSIS Functions/Subroutines subroutine spstrf (UPLO, N, A, LDA, PIV, RANK, TOL, WORK, INFO) SPSTRF Function/Subroutine Documentation subroutine spstrf (characterUPLO, integerN, real, dimension( lda, * )A, integerLDA, integer, dimension( n )PIV, integerRANK, realTOL, real, dimension( 2*n )WORK, integerINFO) SPSTRF Purpose: SPSTRF computes the Cholesky factorization with complete pivoting of a real symmetric positive…
NAME spstf2.f – SYNOPSIS Functions/Subroutines subroutine spstf2 (UPLO, N, A, LDA, PIV, RANK, TOL, WORK, INFO) SPSTF2 computes the Cholesky factorization with complete pivoting of a real symmetric or complex Hermitian positive semi-definite matrix. Function/Subroutine Documentation subroutine spstf2 (characterUPLO, integerN, real, dimension( lda, * )A, integerLDA, integer, dimension( n )PIV, integerRANK, realTOL, real, dimension( 2*n…
NAME spptrs.f – SYNOPSIS Functions/Subroutines subroutine spptrs (UPLO, N, NRHS, AP, B, LDB, INFO) SPPTRS Function/Subroutine Documentation subroutine spptrs (characterUPLO, integerN, integerNRHS, real, dimension( * )AP, real, dimension( ldb, * )B, integerLDB, integerINFO) SPPTRS Purpose: SPPTRS solves a system of linear equations A*X = B with a symmetric positive definite matrix A in packed storage…
NAME spptri.f – SYNOPSIS Functions/Subroutines subroutine spptri (UPLO, N, AP, INFO) SPPTRI Function/Subroutine Documentation subroutine spptri (characterUPLO, integerN, real, dimension( * )AP, integerINFO) SPPTRI Purpose: SPPTRI computes 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. Parameters: UPLO UPLO…
NAME spptrf.f – SYNOPSIS Functions/Subroutines subroutine spptrf (UPLO, N, AP, INFO) SPPTRF Function/Subroutine Documentation subroutine spptrf (characterUPLO, integerN, real, dimension( * )AP, integerINFO) SPPTRF Purpose: SPPTRF computes the Cholesky factorization of a real symmetric positive definite matrix A stored in packed format. The factorization has the form A = U**T * U, if UPLO =…
sppsvx.f – Synopsis Functions/Subroutines subroutine sppsvx (FACT, UPLO, N, NRHS, AP, AFP, EQUED, S, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO) SPPSVX computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentation subroutine sppsvx (characterFACT, characterUPLO, integerN, integerNRHS, real, dimension( * )AP, real, dimension(…
sppsv.f – Synopsis Functions/Subroutines subroutine sppsv (UPLO, N, NRHS, AP, B, LDB, INFO) SPPSV computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentation subroutine sppsv (characterUPLO, integerN, integerNRHS, real, dimension( * )AP, real, dimension( ldb, * )B, integerLDB, integerINFO) SPPSV computes the solution to system of…
NAME spprfs.f – SYNOPSIS Functions/Subroutines subroutine spprfs (UPLO, N, NRHS, AP, AFP, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) SPPRFS Function/Subroutine Documentation subroutine spprfs (characterUPLO, integerN, integerNRHS, real, dimension( * )AP, real, dimension( * )AFP, real, dimension( ldb, * )B, integerLDB, real, dimension( ldx, * )X, integerLDX, real, dimension( * )FERR, real, dimension(…
NAME sppequ.f – SYNOPSIS Functions/Subroutines subroutine sppequ (UPLO, N, AP, S, SCOND, AMAX, INFO) SPPEQU Function/Subroutine Documentation subroutine sppequ (characterUPLO, integerN, real, dimension( * )AP, real, dimension( * )S, realSCOND, realAMAX, integerINFO) SPPEQU Purpose: SPPEQU computes row and column scalings intended to equilibrate a symmetric positive definite matrix A in packed storage and reduce its…
NAME sppcon.f – SYNOPSIS Functions/Subroutines subroutine sppcon (UPLO, N, AP, ANORM, RCOND, WORK, IWORK, INFO) SPPCON Function/Subroutine Documentation subroutine sppcon (characterUPLO, integerN, real, dimension( * )AP, realANORM, realRCOND, real, dimension( * )WORK, integer, dimension( * )IWORK, integerINFO) SPPCON Purpose: SPPCON estimates the reciprocal of the condition number (in the 1-norm) of a real symmetric positive…
NAME spotrs.f – SYNOPSIS Functions/Subroutines subroutine spotrs (UPLO, N, NRHS, A, LDA, B, LDB, INFO) SPOTRS Function/Subroutine Documentation subroutine spotrs (characterUPLO, integerN, integerNRHS, real, dimension( lda, * )A, integerLDA, real, dimension( ldb, * )B, integerLDB, integerINFO) SPOTRS Purpose: SPOTRS solves a system of linear equations A*X = B with a symmetric positive definite matrix A…
NAME spotri.f – SYNOPSIS Functions/Subroutines subroutine spotri (UPLO, N, A, LDA, INFO) SPOTRI Function/Subroutine Documentation subroutine spotri (characterUPLO, integerN, real, dimension( lda, * )A, integerLDA, integerINFO) SPOTRI Purpose: SPOTRI computes 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. …
NAME spotrf.f – SYNOPSIS Functions/Subroutines subroutine spotrf (UPLO, N, A, LDA, INFO) SPOTRF Function/Subroutine Documentation subroutine spotrf (characterUPLO, integerN, real, dimension( lda, * )A, integerLDA, integerINFO) SPOTRF Purpose: SPOTRF computes the Cholesky factorization of a real symmetric positive definite matrix A. The factorization has the form A = U**T * U, if UPLO = ‘U’,…
NAME spotf2.f – SYNOPSIS Functions/Subroutines subroutine spotf2 (UPLO, N, A, LDA, INFO) SPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm). Function/Subroutine Documentation subroutine spotf2 (characterUPLO, integerN, real, dimension( lda, * )A, integerLDA, integerINFO) SPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm). Purpose: SPOTF2 computes the…
sposvxx.f – Synopsis Functions/Subroutines subroutine sposvxx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, EQUED, S, B, LDB, X, LDX, RCOND, RPVGRW, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, IWORK, INFO) SPOSVXX computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine sposvxx (characterFACT, characterUPLO, integerN,…
sposvx.f – Synopsis Functions/Subroutines subroutine sposvx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, EQUED, S, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO) SPOSVX computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine sposvx (characterFACT, characterUPLO, integerN, integerNRHS, real, dimension( lda, *…