The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
NAME dspevx.f – SYNOPSIS Functions/Subroutines subroutine dspevx (JOBZ, RANGE, UPLO, N, AP, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, WORK, IWORK, IFAIL, INFO) DSPEVX computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dspevx (characterJOBZ, characterRANGE, characterUPLO, integerN, double precision, dimension( * )AP, double precisionVL, double…
NAME dspevd.f – SYNOPSIS Functions/Subroutines subroutine dspevd (JOBZ, UPLO, N, AP, W, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSPEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dspevd (characterJOBZ, characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )W, double precision, dimension( ldz, *…
NAME dspev.f – SYNOPSIS Functions/Subroutines subroutine dspev (JOBZ, UPLO, N, AP, W, Z, LDZ, WORK, INFO) DSPEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dspev (characterJOBZ, characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )W, double precision, dimension( ldz, * )Z, integerLDZ, double…
NAME dspcon.f – SYNOPSIS Functions/Subroutines subroutine dspcon (UPLO, N, AP, IPIV, ANORM, RCOND, WORK, IWORK, INFO) DSPCON Function/Subroutine Documentation subroutine dspcon (characterUPLO, integerN, double precision, dimension( * )AP, integer, dimension( * )IPIV, double precisionANORM, double precisionRCOND, double precision, dimension( * )WORK, integer, dimension( * )IWORK, integerINFO) DSPCON Purpose: DSPCON estimates the reciprocal of the condition…
NAME dsgesv.f – SYNOPSIS Functions/Subroutines subroutine dsgesv (N, NRHS, A, LDA, IPIV, B, LDB, X, LDX, WORK, SWORK, ITER, INFO) DSGESV computes the solution to system of linear equations A * X = B for GE matrices (mixed precision with iterative refinement) Function/Subroutine Documentation subroutine dsgesv (integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA,…
NAME dsfrk.f – SYNOPSIS Functions/Subroutines subroutine dsfrk (TRANSR, UPLO, TRANS, N, K, ALPHA, A, LDA, BETA, C) DSFRK performs a symmetric rank-k operation for matrix in RFP format. Function/Subroutine Documentation subroutine dsfrk (characterTRANSR, characterUPLO, characterTRANS, integerN, integerK, double precisionALPHA, double precision, dimension( lda, * )A, integerLDA, double precisionBETA, double precision, dimension( * )C) DSFRK performs…
NAME dsecnd_EXT_ETIME.f – SYNOPSIS Functions/Subroutines DOUBLE PRECISION function dsecnd () DSECND Using ETIME Function/Subroutine Documentation DOUBLE PRECISION function dsecnd () DSECND Using ETIME Purpose: DSECND returns the user time for a process in seconds. This version gets the time from the EXTERNAL system function ETIME. Author: Univ. of Tennessee Univ. of California Berkeley Univ….
NAME dsdot.f – SYNOPSIS Functions/Subroutines DOUBLE PRECISION function dsdot (N, SX, INCX, SY, INCY) DSDOT Function/Subroutine Documentation DOUBLE PRECISION function dsdot (integerN, real, dimension(*)SX, integerINCX, real, dimension(*)SY, integerINCY) DSDOT Purpose: Compute the inner product of two vectors with extended precision accumulation and result. Returns D.P. dot product accumulated in D.P., for S.P. SX and SY…
NAME dscal.f – SYNOPSIS Functions/Subroutines subroutine dscal (N, DA, DX, INCX) DSCAL Function/Subroutine Documentation subroutine dscal (integerN, double precisionDA, double precision, dimension(*)DX, integerINCX) DSCAL Purpose: DSCAL scales a vector by a constant. uses unrolled loops for increment equal to one. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd….
NAME dsbtrd.f – SYNOPSIS Functions/Subroutines subroutine dsbtrd (VECT, UPLO, N, KD, AB, LDAB, D, E, Q, LDQ, WORK, INFO) DSBTRD Function/Subroutine Documentation subroutine dsbtrd (characterVECT, characterUPLO, integerN, integerKD, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( ldq, * )Q, integerLDQ, double precision, dimension(…
NAME dsbmv.f – SYNOPSIS Functions/Subroutines subroutine dsbmv (UPLO, N, K, ALPHA, A, LDA, X, INCX, BETA, Y, INCY) DSBMV Function/Subroutine Documentation subroutine dsbmv (characterUPLO, integerN, integerK, double precisionALPHA, double precision, dimension(lda,*)A, integerLDA, double precision, dimension(*)X, integerINCX, double precisionBETA, double precision, dimension(*)Y, integerINCY) DSBMV Purpose: DSBMV performs the matrix-vector operation y := alpha*A*x + beta*y, where…
NAME dsbgvx.f – SYNOPSIS Functions/Subroutines subroutine dsbgvx (JOBZ, RANGE, UPLO, N, KA, KB, AB, LDAB, BB, LDBB, Q, LDQ, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, WORK, IWORK, IFAIL, INFO) DSBGST Function/Subroutine Documentation subroutine dsbgvx (characterJOBZ, characterRANGE, characterUPLO, integerN, integerKA, integerKB, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( ldbb, *…
NAME dsbgvd.f – SYNOPSIS Functions/Subroutines subroutine dsbgvd (JOBZ, UPLO, N, KA, KB, AB, LDAB, BB, LDBB, W, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSBGST Function/Subroutine Documentation subroutine dsbgvd (characterJOBZ, characterUPLO, integerN, integerKA, integerKB, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( ldbb, * )BB, integerLDBB, double precision, dimension( * )W, double precision,…
NAME dsbgv.f – SYNOPSIS Functions/Subroutines subroutine dsbgv (JOBZ, UPLO, N, KA, KB, AB, LDAB, BB, LDBB, W, Z, LDZ, WORK, INFO) DSBGST Function/Subroutine Documentation subroutine dsbgv (characterJOBZ, characterUPLO, integerN, integerKA, integerKB, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( ldbb, * )BB, integerLDBB, double precision, dimension( * )W, double precision, dimension( ldz, *…
NAME dsbgst.f – SYNOPSIS Functions/Subroutines subroutine dsbgst (VECT, UPLO, N, KA, KB, AB, LDAB, BB, LDBB, X, LDX, WORK, INFO) DSBGST Function/Subroutine Documentation subroutine dsbgst (characterVECT, characterUPLO, integerN, integerKA, integerKB, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( ldbb, * )BB, integerLDBB, double precision, dimension( ldx, * )X, integerLDX, double precision, dimension( *…
NAME dsbevx.f – SYNOPSIS Functions/Subroutines subroutine dsbevx (JOBZ, RANGE, UPLO, N, KD, AB, LDAB, Q, LDQ, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, WORK, IWORK, IFAIL, INFO) DSBEVX computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dsbevx (characterJOBZ, characterRANGE, characterUPLO, integerN, integerKD, double precision, dimension(…
NAME dsbevd.f – SYNOPSIS Functions/Subroutines subroutine dsbevd (JOBZ, UPLO, N, KD, AB, LDAB, W, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSBEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dsbevd (characterJOBZ, characterUPLO, integerN, integerKD, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( * )W,…
NAME dsbev.f – SYNOPSIS Functions/Subroutines subroutine dsbev (JOBZ, UPLO, N, KD, AB, LDAB, W, Z, LDZ, WORK, INFO) DSBEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentation subroutine dsbev (characterJOBZ, characterUPLO, integerN, integerKD, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( * )W, double precision, dimension(…
NAME drscl.f – SYNOPSIS Functions/Subroutines subroutine drscl (N, SA, SX, INCX) DRSCL multiplies a vector by the reciprocal of a real scalar. Function/Subroutine Documentation subroutine drscl (integerN, double precisionSA, double precision, dimension( * )SX, integerINCX) DRSCL multiplies a vector by the reciprocal of a real scalar. Purpose: DRSCL multiplies an n-element real vector x by…
NAME drotmg.f – SYNOPSIS Functions/Subroutines subroutine drotmg (DD1, DD2, DX1, DY1, DPARAM) DROTMG Function/Subroutine Documentation subroutine drotmg (double precisionDD1, double precisionDD2, double precisionDX1, double precisionDY1, double precision, dimension(5)DPARAM) DROTMG Purpose: CONSTRUCT THE MODIFIED GIVENS TRANSFORMATION MATRIX H WHICH ZEROS THE SECOND COMPONENT OF THE 2-VECTOR (DSQRT(DD1)*DX1,DSQRT(DD2)*> DY2)**T. WITH DPARAM(1)=DFLAG, H HAS ONE OF THE FOLLOWING…