.TH "SRC/dlaset.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
SRC/dlaset.f
.SH SYNOPSIS
.br
.PP
.SS "Functions/Subroutines"

.in +1c
.ti -1c
.RI "subroutine \fBdlaset\fP (uplo, m, n, alpha, beta, a, lda)"
.br
.RI "\fBDLASET\fP initializes the off-diagonal elements and the diagonal elements of a matrix to given values\&. "
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine dlaset (character uplo, integer m, integer n, double precision alpha, double precision beta, double precision, dimension( lda, * ) a, integer lda)"

.PP
\fBDLASET\fP initializes the off-diagonal elements and the diagonal elements of a matrix to given values\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
!>
!> DLASET initializes an m-by-n matrix A to BETA on the diagonal and
!> ALPHA on the offdiagonals\&.
!> 
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIUPLO\fP 
.PP
.nf
!>          UPLO is CHARACTER*1
!>          Specifies the part of the matrix A to be set\&.
!>          = 'U':      Upper triangular part is set; the strictly lower
!>                      triangular part of A is not changed\&.
!>          = 'L':      Lower triangular part is set; the strictly upper
!>                      triangular part of A is not changed\&.
!>          Otherwise:  All of the matrix A is set\&.
!> 
.fi
.PP
.br
\fIM\fP 
.PP
.nf
!>          M is INTEGER
!>          The number of rows of the matrix A\&.  M >= 0\&.
!> 
.fi
.PP
.br
\fIN\fP 
.PP
.nf
!>          N is INTEGER
!>          The number of columns of the matrix A\&.  N >= 0\&.
!> 
.fi
.PP
.br
\fIALPHA\fP 
.PP
.nf
!>          ALPHA is DOUBLE PRECISION
!>          The constant to which the offdiagonal elements are to be set\&.
!> 
.fi
.PP
.br
\fIBETA\fP 
.PP
.nf
!>          BETA is DOUBLE PRECISION
!>          The constant to which the diagonal elements are to be set\&.
!> 
.fi
.PP
.br
\fIA\fP 
.PP
.nf
!>          A is DOUBLE PRECISION array, dimension (LDA,N)
!>          On exit, the leading m-by-n submatrix of A is set as follows:
!>
!>          if UPLO = 'U', A(i,j) = ALPHA, 1<=i<=j-1, 1<=j<=n,
!>          if UPLO = 'L', A(i,j) = ALPHA, j+1<=i<=m, 1<=j<=n,
!>          otherwise,     A(i,j) = ALPHA, 1<=i<=m, 1<=j<=n, i\&.ne\&.j,
!>
!>          and, for all UPLO, A(i,i) = BETA, 1<=i<=min(m,n)\&.
!> 
.fi
.PP
.br
\fILDA\fP 
.PP
.nf
!>          LDA is INTEGER
!>          The leading dimension of the array A\&.  LDA >= max(1,M)\&.
!> 
.fi
.PP
 
.RE
.PP
\fBAuthor\fP
.RS 4
Univ\&. of Tennessee 

.PP
Univ\&. of California Berkeley 

.PP
Univ\&. of Colorado Denver 

.PP
NAG Ltd\&. 
.RE
.PP

.PP
Definition at line \fB109\fP of file \fBdlaset\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.