dlascl2.f(3) LAPACK dlascl2.f(3)NAME
dlascl2.f -
SYNOPSIS
Functions/Subroutines
subroutine dlascl2 (M, N, D, X, LDX)
DLASCL2 performs diagonal scaling on a vector.
Function/Subroutine Documentation
subroutine dlascl2 (integerM, integerN, double precision, dimension( * )D, double precision, dimension( ldx, * )X, integerLDX)
DLASCL2 performs diagonal scaling on a vector.
Purpose:
DLASCL2 performs a diagonal scaling on a vector:
x <-- D * x
where the diagonal matrix D is stored as a vector.
Eventually to be replaced by BLAS_dge_diag_scale in the new BLAS
standard.
Parameters:
M
M is INTEGER
The number of rows of D and X. M >= 0.
N
N is INTEGER
The number of columns of D and X. N >= 0.
D
D is DOUBLE PRECISION array, length M
Diagonal matrix D, stored as a vector of length M.
X
X is DOUBLE PRECISION array, dimension (LDX,N)
On entry, the vector X to be scaled by D.
On exit, the scaled vector.
LDX
LDX is INTEGER
The leading dimension of the vector X. LDX >= 0.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Definition at line 91 of file dlascl2.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 dlascl2.f(3)
Check Out this Related Man Page
dlapmr.f(3) LAPACK dlapmr.f(3)NAME
dlapmr.f -
SYNOPSIS
Functions/Subroutines
subroutine dlapmr (FORWRD, M, N, X, LDX, K)
DLAPMR rearranges rows of a matrix as specified by a permutation vector.
Function/Subroutine Documentation
subroutine dlapmr (logicalFORWRD, integerM, integerN, double precision, dimension( ldx, * )X, integerLDX, integer, dimension( * )K)
DLAPMR rearranges rows of a matrix as specified by a permutation vector.
Purpose:
DLAPMR rearranges the rows of the M by N matrix X as specified
by the permutation K(1),K(2),...,K(M) of the integers 1,...,M.
If FORWRD = .TRUE., forward permutation:
X(K(I),*) is moved X(I,*) for I = 1,2,...,M.
If FORWRD = .FALSE., backward permutation:
X(I,*) is moved to X(K(I),*) for I = 1,2,...,M.
Parameters:
FORWRD
FORWRD is LOGICAL
= .TRUE., forward permutation
= .FALSE., backward permutation
M
M is INTEGER
The number of rows of the matrix X. M >= 0.
N
N is INTEGER
The number of columns of the matrix X. N >= 0.
X
X is DOUBLE PRECISION array, dimension (LDX,N)
On entry, the M by N matrix X.
On exit, X contains the permuted matrix X.
LDX
LDX is INTEGER
The leading dimension of the array X, LDX >= MAX(1,M).
K
K is INTEGER array, dimension (M)
On entry, K contains the permutation vector. K is used as
internal workspace, but reset to its original value on
output.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Definition at line 105 of file dlapmr.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 dlapmr.f(3)
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