# claset.f man page

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 (character UPLO, integer M, integer N, complex ALPHA, complex BETA, complex, dimension( lda, * ) A, integer LDA)

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:

December 2016

Definition at line 108 of file claset.f.

## Author

Generated automatically by Doxygen for LAPACK from the source code.

## Referenced By

The man page claset(3) is an alias of claset.f(3).

Tue Nov 14 2017 Version 3.8.0 LAPACK