zlaset.f - Online Linux Manual Page
Section : 3
Updated : Tue Nov 14 2017
Source : Version 3.8.0
Note : LAPACK
NAMEzlaset.f
SYNOPSIS
Functions/Subroutinessubroutine zlaset (UPLO, M, N, ALPHA, BETA, A, LDA)
ZLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values.
Function/Subroutine Documentation
subroutine zlaset (character UPLO, integer M, integer N, complex*16 ALPHA, complex*16 BETA, complex*16, dimension( lda, * ) A, integer LDA)ZLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values. 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: December 2016 Definition at line 108 of file zlaset.f.
AuthorGenerated automatically by Doxygen for LAPACK from the source code. 0
Johanes Gumabo
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