centos man page for slatzm

Query: slatzm

OS: centos

Section: 3

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slatzm.f(3)							      LAPACK							       slatzm.f(3)

NAME
slatzm.f -
SYNOPSIS
Functions/Subroutines subroutine slatzm (SIDE, M, N, V, INCV, TAU, C1, C2, LDC, WORK) SLATZM Function/Subroutine Documentation subroutine slatzm (characterSIDE, integerM, integerN, real, dimension( * )V, integerINCV, realTAU, real, dimension( ldc, * )C1, real, dimension( ldc, * )C2, integerLDC, real, dimension( * )WORK) SLATZM Purpose: This routine is deprecated and has been replaced by routine SORMRZ. SLATZM applies a Householder matrix generated by STZRQF to a matrix. Let P = I - tau*u*u**T, u = ( 1 ), ( v ) where v is an (m-1) vector if SIDE = 'L', or a (n-1) vector if SIDE = 'R'. If SIDE equals 'L', let C = [ C1 ] 1 [ C2 ] m-1 n Then C is overwritten by P*C. If SIDE equals 'R', let C = [ C1, C2 ] m 1 n-1 Then C is overwritten by C*P. Parameters: SIDE SIDE is CHARACTER*1 = 'L': form P * C = 'R': form C * P M M is INTEGER The number of rows of the matrix C. N N is INTEGER The number of columns of the matrix C. V V is REAL array, dimension (1 + (M-1)*abs(INCV)) if SIDE = 'L' (1 + (N-1)*abs(INCV)) if SIDE = 'R' The vector v in the representation of P. V is not used if TAU = 0. INCV INCV is INTEGER The increment between elements of v. INCV <> 0 TAU TAU is REAL The value tau in the representation of P. C1 C1 is REAL array, dimension (LDC,N) if SIDE = 'L' (M,1) if SIDE = 'R' On entry, the n-vector C1 if SIDE = 'L', or the m-vector C1 if SIDE = 'R'. On exit, the first row of P*C if SIDE = 'L', or the first column of C*P if SIDE = 'R'. C2 C2 is REAL array, dimension (LDC, N) if SIDE = 'L' (LDC, N-1) if SIDE = 'R' On entry, the (m - 1) x n matrix C2 if SIDE = 'L', or the m x (n - 1) matrix C2 if SIDE = 'R'. On exit, rows 2:m of P*C if SIDE = 'L', or columns 2:m of C*P if SIDE = 'R'. LDC LDC is INTEGER The leading dimension of the arrays C1 and C2. LDC >= (1,M). WORK WORK is REAL array, dimension (N) if SIDE = 'L' (M) if SIDE = 'R' Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Definition at line 152 of file slatzm.f. Author Generated automatically by Doxygen for LAPACK from the source code. Version 3.4.2 Tue Sep 25 2012 slatzm.f(3)
Related Man Pages
clatzm(3) - debian
clatzm.f(3) - debian
dlatzm.f(3) - centos
slatzm.f(3) - centos
zlatzm.f(3) - centos
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