CLASET(l) ) CLASET(l)
NAME
CLASET - initialize a 2-D array A to BETA on the diagonal and ALPHA on the offdiagonals
SYNOPSIS
SUBROUTINE CLASET( UPLO, M, N, ALPHA, BETA, A, LDA )
CHARACTER UPLO
INTEGER LDA, M, N
COMPLEX ALPHA, BETA
COMPLEX A( LDA, * )
PURPOSE
CLASET 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
All the offdiagonal array elements are set to ALPHA.
BETA (input) COMPLEX
All the diagonal array elements are set to BETA.
A (input/output) COMPLEX 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 CLASET(l)
Check Out this Related Man Page
claset.f(3) LAPACK claset.f(3)NAME
claset.f -
SYNOPSIS
Functions/Subroutines
subroutine claset (UPLO, M, N, ALPHA, BETA, A, LDA)
CLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values.
Function/Subroutine Documentation
subroutine claset (characterUPLO, integerM, integerN, complexALPHA, complexBETA, complex, dimension( lda, * )A, integerLDA)
CLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values.
Purpose:
CLASET 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
All the offdiagonal array elements are set to ALPHA.
BETA
BETA is COMPLEX
All the diagonal array elements are set to BETA.
A
A is COMPLEX 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:
September 2012
Definition at line 107 of file claset.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 claset.f(3)
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