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.
slartgp.f – Synopsis Functions/Subroutines subroutine slartgp (F, G, CS, SN, R) SLARTGP generates a plane rotation so that the diagonal is nonnegative. Function/Subroutine Documentation subroutine slartgp (realF, realG, realCS, realSN, realR) SLARTGP generates a plane rotation so that the diagonal is nonnegative. Purpose: SLARTGP generates a plane rotation so that [ CS SN ] ….
slartg.f – Synopsis Functions/Subroutines subroutine slartg (F, G, CS, SN, R) SLARTG generates a plane rotation with real cosine and real sine. Function/Subroutine Documentation subroutine slartg (realF, realG, realCS, realSN, realR) SLARTG generates a plane rotation with real cosine and real sine. Purpose: SLARTG generate a plane rotation so that [ CS SN ] ….
slarscl2.f – Synopsis Functions/Subroutines subroutine slarscl2 (M, N, D, X, LDX) SLARSCL2 performs reciprocal diagonal scaling on a vector. Function/Subroutine Documentation subroutine slarscl2 (integerM, integerN, real, dimension( * )D, real, dimension( ldx, * )X, integerLDX) SLARSCL2 performs reciprocal diagonal scaling on a vector. Purpose: SLARSCL2 performs a reciprocal diagonal scaling on an vector: x <–…
slarrv.f – Synopsis Functions/Subroutines subroutine slarrv (N, VL, VU, D, L, PIVMIN, ISPLIT, M, DOL, DOU, MINRGP, RTOL1, RTOL2, W, WERR, WGAP, IBLOCK, INDEXW, GERS, Z, LDZ, ISUPPZ, WORK, IWORK, INFO) SLARRV computes the eigenvectors of the tridiagonal matrix T = L D LT given L, D and the eigenvalues of L D LT. Function/Subroutine…
slarrr.f – Synopsis Functions/Subroutines subroutine slarrr (N, D, E, INFO) SLARRR performs tests to decide whether the symmetric tridiagonal matrix T warrants expensive computations which guarantee high relative accuracy in the eigenvalues. Function/Subroutine Documentation subroutine slarrr (integerN, real, dimension( * )D, real, dimension( * )E, integerINFO) SLARRR performs tests to decide whether the symmetric tridiagonal…
slarrk.f – Synopsis Functions/Subroutines subroutine slarrk (N, IW, GL, GU, D, E2, PIVMIN, RELTOL, W, WERR, INFO) SLARRK computes one eigenvalue of a symmetric tridiagonal matrix T to suitable accuracy. Function/Subroutine Documentation subroutine slarrk (integerN, integerIW, realGL, realGU, real, dimension( * )D, real, dimension( * )E2, realPIVMIN, realRELTOL, realW, realWERR, integerINFO) SLARRK computes one eigenvalue…
slarrj.f – Synopsis Functions/Subroutines subroutine slarrj (N, D, E2, IFIRST, ILAST, RTOL, OFFSET, W, WERR, WORK, IWORK, PIVMIN, SPDIAM, INFO) SLARRJ performs refinement of the initial estimates of the eigenvalues of the matrix T. Function/Subroutine Documentation subroutine slarrj (integerN, real, dimension( * )D, real, dimension( * )E2, integerIFIRST, integerILAST, realRTOL, integerOFFSET, real, dimension( * )W,…
slarrf.f – Synopsis Functions/Subroutines subroutine slarrf (N, D, L, LD, CLSTRT, CLEND, W, WGAP, WERR, SPDIAM, CLGAPL, CLGAPR, PIVMIN, SIGMA, DPLUS, LPLUS, WORK, INFO) SLARRF finds a new relatively robust representation such that at least one of the eigenvalues is relatively isolated. Function/Subroutine Documentation subroutine slarrf (integerN, real, dimension( * )D, real, dimension( * )L,…
slarrf.f – Synopsis Functions/Subroutines subroutine slarrf (N, D, L, LD, CLSTRT, CLEND, W, WGAP, WERR, SPDIAM, CLGAPL, CLGAPR, PIVMIN, SIGMA, DPLUS, LPLUS, WORK, INFO) SLARRF finds a new relatively robust representation such that at least one of the eigenvalues is relatively isolated. Function/Subroutine Documentation subroutine slarrf (integerN, real, dimension( * )D, real, dimension( * )L,…
slarrf.f – Synopsis Functions/Subroutines subroutine slarrf (N, D, L, LD, CLSTRT, CLEND, W, WGAP, WERR, SPDIAM, CLGAPL, CLGAPR, PIVMIN, SIGMA, DPLUS, LPLUS, WORK, INFO) SLARRF finds a new relatively robust representation such that at least one of the eigenvalues is relatively isolated. Function/Subroutine Documentation subroutine slarrf (integerN, real, dimension( * )D, real, dimension( * )L,…
slarre.f – Synopsis Functions/Subroutines subroutine slarre (RANGE, N, VL, VU, IL, IU, D, E, E2, RTOL1, RTOL2, SPLTOL, NSPLIT, ISPLIT, M, W, WERR, WGAP, IBLOCK, INDEXW, GERS, PIVMIN, WORK, IWORK, INFO) SLARRE given the tridiagonal matrix T, sets small off-diagonal elements to zero and for each unreduced block Ti, finds base representations and eigenvalues. Function/Subroutine…
slarre.f – Synopsis Functions/Subroutines subroutine slarre (RANGE, N, VL, VU, IL, IU, D, E, E2, RTOL1, RTOL2, SPLTOL, NSPLIT, ISPLIT, M, W, WERR, WGAP, IBLOCK, INDEXW, GERS, PIVMIN, WORK, IWORK, INFO) SLARRE given the tridiagonal matrix T, sets small off-diagonal elements to zero and for each unreduced block Ti, finds base representations and eigenvalues. Function/Subroutine…
slarre.f – Synopsis Functions/Subroutines subroutine slarre (RANGE, N, VL, VU, IL, IU, D, E, E2, RTOL1, RTOL2, SPLTOL, NSPLIT, ISPLIT, M, W, WERR, WGAP, IBLOCK, INDEXW, GERS, PIVMIN, WORK, IWORK, INFO) SLARRE given the tridiagonal matrix T, sets small off-diagonal elements to zero and for each unreduced block Ti, finds base representations and eigenvalues. Function/Subroutine…
slarrd.f – Synopsis Functions/Subroutines subroutine slarrd (RANGE, ORDER, N, VL, VU, IL, IU, GERS, RELTOL, D, E, E2, PIVMIN, NSPLIT, ISPLIT, M, W, WERR, WL, WU, IBLOCK, INDEXW, WORK, IWORK, INFO) SLARRD computes the eigenvalues of a symmetric tridiagonal matrix to suitable accuracy. Function/Subroutine Documentation subroutine slarrd (characterRANGE, characterORDER, integerN, realVL, realVU, integerIL, integerIU, real,…
slarrc.f – Synopsis Functions/Subroutines subroutine slarrc (JOBT, N, VL, VU, D, E, PIVMIN, EIGCNT, LCNT, RCNT, INFO) SLARRC computes the number of eigenvalues of the symmetric tridiagonal matrix. Function/Subroutine Documentation subroutine slarrc (characterJOBT, integerN, realVL, realVU, real, dimension( * )D, real, dimension( * )E, realPIVMIN, integerEIGCNT, integerLCNT, integerRCNT, integerINFO) SLARRC computes the number of eigenvalues…
slarrb.f – Synopsis Functions/Subroutines subroutine slarrb (N, D, LLD, IFIRST, ILAST, RTOL1, RTOL2, OFFSET, W, WGAP, WERR, WORK, IWORK, PIVMIN, SPDIAM, TWIST, INFO) SLARRB provides limited bisection to locate eigenvalues for more accuracy. Function/Subroutine Documentation subroutine slarrb (integerN, real, dimension( * )D, real, dimension( * )LLD, integerIFIRST, integerILAST, realRTOL1, realRTOL2, integerOFFSET, real, dimension( * )W,…
slarra.f – Synopsis Functions/Subroutines subroutine slarra (N, D, E, E2, SPLTOL, TNRM, NSPLIT, ISPLIT, INFO) SLARRA computes the splitting points with the specified threshold. Function/Subroutine Documentation subroutine slarra (integerN, real, dimension( * )D, real, dimension( * )E, real, dimension( * )E2, realSPLTOL, realTNRM, integerNSPLIT, integer, dimension( * )ISPLIT, integerINFO) SLARRA computes the splitting points with…
slarra.f – Synopsis Functions/Subroutines subroutine slarra (N, D, E, E2, SPLTOL, TNRM, NSPLIT, ISPLIT, INFO) SLARRA computes the splitting points with the specified threshold. Function/Subroutine Documentation subroutine slarra (integerN, real, dimension( * )D, real, dimension( * )E, real, dimension( * )E2, realSPLTOL, realTNRM, integerNSPLIT, integer, dimension( * )ISPLIT, integerINFO) SLARRA computes the splitting points with…
slarra.f – Synopsis Functions/Subroutines subroutine slarra (N, D, E, E2, SPLTOL, TNRM, NSPLIT, ISPLIT, INFO) SLARRA computes the splitting points with the specified threshold. Function/Subroutine Documentation subroutine slarra (integerN, real, dimension( * )D, real, dimension( * )E, real, dimension( * )E2, realSPLTOL, realTNRM, integerNSPLIT, integer, dimension( * )ISPLIT, integerINFO) SLARRA computes the splitting points with…
slarnv.f – Synopsis Functions/Subroutines subroutine slarnv (IDIST, ISEED, N, X) SLARNV returns a vector of random numbers from a uniform or normal distribution. Function/Subroutine Documentation subroutine slarnv (integerIDIST, integer, dimension( 4 )ISEED, integerN, real, dimension( * )X) SLARNV returns a vector of random numbers from a uniform or normal distribution. Purpose: SLARNV returns a vector…