ZLASET(l) ) ZLASET(l)
NAME
ZLASET - initialize a 2-D array A to BETA on the diagonal and ALPHA on the offdiagonals
SYNOPSIS
SUBROUTINE ZLASET( UPLO, M, N, ALPHA, BETA, A, LDA )
CHARACTER UPLO
INTEGER LDA, M, N
COMPLEX*16 ALPHA, BETA
COMPLEX*16 A( LDA, * )
PURPOSE
ZLASET initializes a 2-D array A to BETA on the diagonal and ALPHA on the offdiagonals.
ARGUMENTS
UPLO (input) CHARACTER*1
Specifies the part of the matrix A to be set. = 'U': Upper triangular part is set. The lower triangle is unchanged. = 'L':
Lower triangular part is set. The upper triangle is unchanged. Otherwise: All of the matrix A is set.
M (input) INTEGER
On entry, M specifies the number of rows of A.
N (input) INTEGER
On entry, N specifies the number of columns of A.
ALPHA (input) COMPLEX*16
All the offdiagonal array elements are set to ALPHA.
BETA (input) COMPLEX*16
All the diagonal array elements are set to BETA.
A (input/output) COMPLEX*16 array, dimension (LDA,N)
On entry, the m by n matrix A. On exit, A(i,j) = ALPHA, 1 <= i <= m, 1 <= j <= n, i.ne.j; A(i,i) = BETA , 1 <= i <= min(m,n)
LDA (input) INTEGER
The leading dimension of the array A. LDA >= max(1,M).
LAPACK version 3.0 15 June 2000 ZLASET(l)
Check Out this Related Man Page
zlaset.f(3) LAPACK zlaset.f(3)NAME
zlaset.f -
SYNOPSIS
Functions/Subroutines
subroutine zlaset (UPLO, M, N, ALPHA, BETA, A, LDA)
ZLASET
Function/Subroutine Documentation
subroutine zlaset (characterUPLO, integerM, integerN, complex*16ALPHA, complex*16BETA, complex*16, dimension( lda, * )A, integerLDA)
ZLASET
Purpose:
ZLASET initializes a 2-D array A to BETA on the diagonal and
ALPHA on the offdiagonals.
Parameters:
UPLO
UPLO is CHARACTER*1
Specifies the part of the matrix A to be set.
= 'U': Upper triangular part is set. The lower triangle
is unchanged.
= 'L': Lower triangular part is set. The upper triangle
is unchanged.
Otherwise: All of the matrix A is set.
M
M is INTEGER
On entry, M specifies the number of rows of A.
N
N is INTEGER
On entry, N specifies the number of columns of A.
ALPHA
ALPHA is COMPLEX*16
All the offdiagonal array elements are set to ALPHA.
BETA
BETA is COMPLEX*16
All the diagonal array elements are set to BETA.
A
A is COMPLEX*16 array, dimension (LDA,N)
On entry, the m by n matrix A.
On exit, A(i,j) = ALPHA, 1 <= i <= m, 1 <= j <= n, i.ne.j;
A(i,i) = BETA , 1 <= i <= min(m,n)
LDA
LDA is INTEGER
The leading dimension of the array A. LDA >= max(1,M).
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Definition at line 107 of file zlaset.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 zlaset.f(3)
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