dstevd.f – Synopsis Functions/Subroutines subroutine dstevd (JOBZ, N, D, E, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSTEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dstevd (characterJOBZ, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( ldz, * )Z, integerLDZ, double…
dstev.f – Synopsis Functions/Subroutines subroutine dstev (JOBZ, N, D, E, Z, LDZ, WORK, INFO) DSTEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dstev (characterJOBZ, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( ldz, * )Z, integerLDZ, double precision, dimension( *…
dsterf.f – Synopsis Functions/Subroutines subroutine dsterf (N, D, E, INFO) DSTERF Function/Subroutine Documentation subroutine dsterf (integerN, double precision, dimension( * )D, double precision, dimension( * )E, integerINFO) DSTERF Purpose: DSTERF computes all eigenvalues of a symmetric tridiagonal matrix using the Pal-Walker-Kahan variant of the QL or QR algorithm. Parameters: N N is INTEGER The…
dsteqr.f – Synopsis Functions/Subroutines subroutine dsteqr (COMPZ, N, D, E, Z, LDZ, WORK, INFO) DSTEQR Function/Subroutine Documentation subroutine dsteqr (characterCOMPZ, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( ldz, * )Z, integerLDZ, double precision, dimension( * )WORK, integerINFO) DSTEQR Purpose: DSTEQR computes all eigenvalues and, optionally, eigenvectors of a…
dstemr.f – Synopsis Functions/Subroutines subroutine dstemr (JOBZ, RANGE, N, D, E, VL, VU, IL, IU, M, W, Z, LDZ, NZC, ISUPPZ, TRYRAC, WORK, LWORK, IWORK, LIWORK, INFO) DSTEMR Function/Subroutine Documentation subroutine dstemr (characterJOBZ, characterRANGE, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precisionVL, double precisionVU, integerIL, integerIU, integerM, double precision, dimension(…
dstein.f – Synopsis Functions/Subroutines subroutine dstein (N, D, E, M, W, IBLOCK, ISPLIT, Z, LDZ, WORK, IWORK, IFAIL, INFO) DSTEIN Function/Subroutine Documentation subroutine dstein (integerN, double precision, dimension( * )D, double precision, dimension( * )E, integerM, double precision, dimension( * )W, integer, dimension( * )IBLOCK, integer, dimension( * )ISPLIT, double precision, dimension( ldz, * )Z,…
dstegr.f – Synopsis Functions/Subroutines subroutine dstegr (JOBZ, RANGE, N, D, E, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, ISUPPZ, WORK, LWORK, IWORK, LIWORK, INFO) DSTEGR Function/Subroutine Documentation subroutine dstegr (characterJOBZ, characterRANGE, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precisionVL, double precisionVU, integerIL, integerIU, double precisionABSTOL, integerM, double precision,…
dstedc.f – Synopsis Functions/Subroutines subroutine dstedc (COMPZ, N, D, E, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSTEBZ Function/Subroutine Documentation subroutine dstedc (characterCOMPZ, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( ldz, * )Z, integerLDZ, double precision, dimension( * )WORK, integerLWORK, integer, dimension( * )IWORK, integerLIWORK, integerINFO) DSTEBZ Purpose:…
dstebz.f – Synopsis Functions/Subroutines subroutine dstebz (RANGE, ORDER, N, VL, VU, IL, IU, ABSTOL, D, E, M, NSPLIT, W, IBLOCK, ISPLIT, WORK, IWORK, INFO) DSTEBZ Function/Subroutine Documentation subroutine dstebz (characterRANGE, characterORDER, integerN, double precisionVL, double precisionVU, integerIL, integerIU, double precisionABSTOL, double precision, dimension( * )D, double precision, dimension( * )E, integerM, integerNSPLIT, double precision, dimension(…
dsptrs.f – Synopsis Functions/Subroutines subroutine dsptrs (UPLO, N, NRHS, AP, IPIV, B, LDB, INFO) DSPTRS Function/Subroutine Documentation subroutine dsptrs (characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, integerINFO) DSPTRS Purpose: DSPTRS solves a system of linear equations A*X = B with a real symmetric…
dsptri.f – Synopsis Functions/Subroutines subroutine dsptri (UPLO, N, AP, IPIV, WORK, INFO) DSPTRI Function/Subroutine Documentation subroutine dsptri (characterUPLO, integerN, double precision, dimension( * )AP, integer, dimension( * )IPIV, double precision, dimension( * )WORK, integerINFO) DSPTRI Purpose: DSPTRI computes the inverse of a real symmetric indefinite matrix A in packed storage using the factorization A =…
dsptrf.f – Synopsis Functions/Subroutines subroutine dsptrf (UPLO, N, AP, IPIV, INFO) DSPTRF Function/Subroutine Documentation subroutine dsptrf (characterUPLO, integerN, double precision, dimension( * )AP, integer, dimension( * )IPIV, integerINFO) DSPTRF Purpose: DSPTRF computes the factorization of a real symmetric matrix A stored in packed format using the Bunch-Kaufman diagonal pivoting method: A = U*D*U**T or A…
dsptrd.f – Synopsis Functions/Subroutines subroutine dsptrd (UPLO, N, AP, D, E, TAU, INFO) DSPTRD Function/Subroutine Documentation subroutine dsptrd (characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( * )TAU, integerINFO) DSPTRD Purpose: DSPTRD reduces a real symmetric matrix A stored in packed form to…
dspsvx.f – Synopsis Functions/Subroutines subroutine dspsvx (FACT, UPLO, N, NRHS, AP, AFP, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO) DSPSVX computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentation subroutine dspsvx (characterFACT, characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, double precision,…
dspsv.f – Synopsis Functions/Subroutines subroutine dspsv (UPLO, N, NRHS, AP, IPIV, B, LDB, INFO) DSPSV computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentation subroutine dspsv (characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, integerINFO)…
dsprfs.f – Synopsis Functions/Subroutines subroutine dsprfs (UPLO, N, NRHS, AP, AFP, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DSPRFS Function/Subroutine Documentation subroutine dsprfs (characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, double precision, dimension( * )AFP, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldx, *…
dspr2.f – Synopsis Functions/Subroutines subroutine dspr2 (UPLO, N, ALPHA, X, INCX, Y, INCY, AP) DSPR2 Function/Subroutine Documentation subroutine dspr2 (characterUPLO, integerN, double precisionALPHA, double precision, dimension(*)X, integerINCX, double precision, dimension(*)Y, integerINCY, double precision, dimension(*)AP) DSPR2 Purpose: DSPR2 performs the symmetric rank 2 operation A := alpha*x*y**T + alpha*y*x**T + A, where alpha is a scalar,…
dspr.f – Synopsis Functions/Subroutines subroutine dspr (UPLO, N, ALPHA, X, INCX, AP) DSPR Function/Subroutine Documentation subroutine dspr (characterUPLO, integerN, double precisionALPHA, double precision, dimension(*)X, integerINCX, double precision, dimension(*)AP) DSPR Purpose: DSPR performs the symmetric rank 1 operation A := alpha*x*x**T + A, where alpha is a real scalar, x is an n element vector and…
dsposv.f – Synopsis Functions/Subroutines subroutine dsposv (UPLO, N, NRHS, A, LDA, B, LDB, X, LDX, WORK, SWORK, ITER, INFO) DSPOSV computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine dsposv (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, *…
dspmv.f – Synopsis Functions/Subroutines subroutine dspmv (UPLO, N, ALPHA, AP, X, INCX, BETA, Y, INCY) DSPMV Function/Subroutine Documentation subroutine dspmv (characterUPLO, integerN, double precisionALPHA, double precision, dimension(*)AP, double precision, dimension(*)X, integerINCX, double precisionBETA, double precision, dimension(*)Y, integerINCY) DSPMV Purpose: DSPMV performs the matrix-vector operation y := alpha*A*x + beta*y, where alpha and beta are scalars,…