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.
slargv.f – Synopsis Functions/Subroutines subroutine slargv (N, X, INCX, Y, INCY, C, INCC) SLARGV generates a vector of plane rotations with real cosines and real sines. Function/Subroutine Documentation subroutine slargv (integerN, real, dimension( * )X, integerINCX, real, dimension( * )Y, integerINCY, real, dimension( * )C, integerINCC) SLARGV generates a vector of plane rotations with real…
slarfx.f – Synopsis Functions/Subroutines subroutine slarfx (SIDE, M, N, V, TAU, C, LDC, WORK) SLARFX applies an elementary reflector to a general rectangular matrix, with loop unrolling when the reflector has order ≤ 10. Function/Subroutine Documentation subroutine slarfx (characterSIDE, integerM, integerN, real, dimension( * )V, realTAU, real, dimension( ldc, * )C, integerLDC, real, dimension( *…
slarft.f – Synopsis Functions/Subroutines subroutine slarft (DIRECT, STOREV, N, K, V, LDV, TAU, T, LDT) SLARFT forms the triangular factor T of a block reflector H = I – vtvH Function/Subroutine Documentation subroutine slarft (characterDIRECT, characterSTOREV, integerN, integerK, real, dimension( ldv, * )V, integerLDV, real, dimension( * )TAU, real, dimension( ldt, * )T, integerLDT) SLARFT…
slarfgp.f – Synopsis Functions/Subroutines subroutine slarfgp (N, ALPHA, X, INCX, TAU) SLARFGP generates an elementary reflector (Householder matrix) with non-negatibe beta. Function/Subroutine Documentation subroutine slarfgp (integerN, realALPHA, real, dimension( * )X, integerINCX, realTAU) SLARFGP generates an elementary reflector (Householder matrix) with non-negatibe beta. Purpose: SLARFGP generates a real elementary reflector H of order n, such…
slarfg.f – Synopsis Functions/Subroutines subroutine slarfg (N, ALPHA, X, INCX, TAU) SLARFG generates an elementary reflector (Householder matrix). Function/Subroutine Documentation subroutine slarfg (integerN, realALPHA, real, dimension( * )X, integerINCX, realTAU) SLARFG generates an elementary reflector (Householder matrix). Purpose: SLARFG generates a real elementary reflector H of order n, such that H * ( alpha )…
slarfb.f – Synopsis Functions/Subroutines subroutine slarfb (SIDE, TRANS, DIRECT, STOREV, M, N, K, V, LDV, T, LDT, C, LDC, WORK, LDWORK) SLARFB applies a block reflector or its transpose to a general rectangular matrix. Function/Subroutine Documentation subroutine slarfb (characterSIDE, characterTRANS, characterDIRECT, characterSTOREV, integerM, integerN, integerK, real, dimension( ldv, * )V, integerLDV, real, dimension( ldt, *…
slarf.f – Synopsis Functions/Subroutines subroutine slarf (SIDE, M, N, V, INCV, TAU, C, LDC, WORK) SLARF applies an elementary reflector to a general rectangular matrix. Function/Subroutine Documentation subroutine slarf (characterSIDE, integerM, integerN, real, dimension( * )V, integerINCV, realTAU, real, dimension( ldc, * )C, integerLDC, real, dimension( * )WORK) SLARF applies an elementary reflector to a…
slar2v.f – Synopsis Functions/Subroutines subroutine slar2v (N, X, Y, Z, INCX, C, S, INCC) SLAR2V applies a vector of plane rotations with real cosines and real sines from both sides to a sequence of 2-by-2 symmetric/Hermitian matrices. Function/Subroutine Documentation subroutine slar2v (integerN, real, dimension( * )X, real, dimension( * )Y, real, dimension( * )Z, integerINCX,…
slar1v.f – Synopsis Functions/Subroutines subroutine slar1v (N, B1, BN, LAMBDA, D, L, LD, LLD, PIVMIN, GAPTOL, Z, WANTNC, NEGCNT, ZTZ, MINGMA, R, ISUPPZ, NRMINV, RESID, RQCORR, WORK) SLAR1V computes the (scaled) r-th column of the inverse of the submatrix in rows b1 through bn of the tridiagonal matrix LDLT – λI. Function/Subroutine Documentation subroutine slar1v…
slaqtr.f – Synopsis Functions/Subroutines subroutine slaqtr (LTRAN, LREAL, N, T, LDT, B, W, SCALE, X, WORK, INFO) SLAQTR solves a real quasi-triangular system of equations, or a complex quasi-triangular system of special form, in real arithmetic. Function/Subroutine Documentation subroutine slaqtr (logicalLTRAN, logicalLREAL, integerN, real, dimension( ldt, * )T, integerLDT, real, dimension( * )B, realW, realSCALE,…
slaqr2.f – Synopsis Functions/Subroutines subroutine slaqr2 (WANTT, WANTZ, N, KTOP, KBOT, NW, H, LDH, ILOZ, IHIZ, Z, LDZ, NS, ND, SR, SI, V, LDV, NH, T, LDT, NV, WV, LDWV, WORK, LWORK) SLAQR2 performs the orthogonal similarity transformation of a Hessenberg matrix to detect and deflate fully converged eigenvalues from a trailing principal submatrix (aggressive…
slaqr1.f – Synopsis Functions/Subroutines subroutine slaqr1 (N, H, LDH, SR1, SI1, SR2, SI2, V) SLAQR1 sets a scalar multiple of the first column of the product of 2-by-2 or 3-by-3 matrix H and specified shifts. Function/Subroutine Documentation subroutine slaqr1 (integerN, real, dimension( ldh, * )H, integerLDH, realSR1, realSI1, realSR2, realSI2, real, dimension( * )V) SLAQR1…
slaqr0.f – Synopsis Functions/Subroutines subroutine slaqr0 (WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI, ILOZ, IHIZ, Z, LDZ, WORK, LWORK, INFO) SLAQR0 computes the eigenvalues of a Hessenberg matrix, and optionally the matrices from the Schur decomposition. Function/Subroutine Documentation subroutine slaqr0 (logicalWANTT, logicalWANTZ, integerN, integerILO, integerIHI, real, dimension( ldh, * )H, integerLDH, real, dimension(…
slaqps.f – Synopsis Functions/Subroutines subroutine slaqps (M, N, OFFSET, NB, KB, A, LDA, JPVT, TAU, VN1, VN2, AUXV, F, LDF) SLAQPS computes a step of QR factorization with column pivoting of a real m-by-n matrix A by using BLAS level 3. Function/Subroutine Documentation subroutine slaqps (integerM, integerN, integerOFFSET, integerNB, integerKB, real, dimension( lda, * )A,…
slaqp2.f – Synopsis Functions/Subroutines subroutine slaqp2 (M, N, OFFSET, A, LDA, JPVT, TAU, VN1, VN2, WORK) SLAQP2 computes a QR factorization with column pivoting of the matrix block. Function/Subroutine Documentation subroutine slaqp2 (integerM, integerN, integerOFFSET, real, dimension( lda, * )A, integerLDA, integer, dimension( * )JPVT, real, dimension( * )TAU, real, dimension( * )VN1, real, dimension(…
slaqge.f – Synopsis Functions/Subroutines subroutine slaqge (M, N, A, LDA, R, C, ROWCND, COLCND, AMAX, EQUED) SLAQGE scales a general rectangular matrix, using row and column scaling factors computed by sgeequ. Function/Subroutine Documentation subroutine slaqge (integerM, integerN, real, dimension( lda, * )A, integerLDA, real, dimension( * )R, real, dimension( * )C, realROWCND, realCOLCND, realAMAX, characterEQUED)…
slaqgb.f – Synopsis Functions/Subroutines subroutine slaqgb (M, N, KL, KU, AB, LDAB, R, C, ROWCND, COLCND, AMAX, EQUED) SLAQGB scales a general band matrix, using row and column scaling factors computed by sgbequ. Function/Subroutine Documentation subroutine slaqgb (integerM, integerN, integerKL, integerKU, real, dimension( ldab, * )AB, integerLDAB, real, dimension( * )R, real, dimension( * )C,…
slapy3.f – Synopsis Functions/Subroutines REAL function slapy3 (X, Y, Z) SLAPY3 returns sqrt(x2+y2+z2). Function/Subroutine Documentation REAL function slapy3 (realX, realY, realZ) SLAPY3 returns sqrt(x2+y2+z2). Purpose: SLAPY3 returns sqrt(x**2+y**2+z**2), taking care not to cause unnecessary overflow. Parameters: X X is REAL Y Y is REAL Z Z is REAL X, Y and Z specify the…
slapy2.f – Synopsis Functions/Subroutines REAL function slapy2 (X, Y) SLAPY2 returns sqrt(x2+y2). Function/Subroutine Documentation REAL function slapy2 (realX, realY) SLAPY2 returns sqrt(x2+y2). Purpose: SLAPY2 returns sqrt(x**2+y**2), taking care not to cause unnecessary overflow. Parameters: X X is REAL Y Y is REAL X and Y specify the values x and y. Author: Univ….
slapmt.f – Synopsis Functions/Subroutines subroutine slapmt (FORWRD, M, N, X, LDX, K) SLAPMT performs a forward or backward permutation of the columns of a matrix. Function/Subroutine Documentation subroutine slapmt (logicalFORWRD, integerM, integerN, real, dimension( ldx, * )X, integerLDX, integer, dimension( * )K) SLAPMT performs a forward or backward permutation of the columns of a matrix….