dqrt13.f3

Usage

Functions/Subroutines

subroutine dqrt13 (scale, m, n, a, lda, norma, iseed)
DQRT13

Function/Subroutine Documentation

subroutine dqrt13 (integer scale, integer m, integer n, double precision, dimension( lda, * ) a, integer lda, double precision norma, integer, dimension( 4 ) iseed)

DQRT13

Purpose:

!>
!> DQRT13 generates a full-rank matrix that may be scaled to have large
!> or small norm.
!>

Parameters

SCALE

!>          SCALE is INTEGER
!>          SCALE = 1: normally scaled matrix
!>          SCALE = 2: matrix scaled up
!>          SCALE = 3: matrix scaled down
!>

!>          M is INTEGER
!>          The number of rows of the matrix A.
!>

!>          N is INTEGER
!>          The number of columns of A.
!>

!>          A is DOUBLE PRECISION array, dimension (LDA,N)
!>          The M-by-N matrix A.
!>

LDA

!>          LDA is INTEGER
!>          The leading dimension of the array A.
!>

NORMA

!>          NORMA is DOUBLE PRECISION
!>          The one-norm of A.
!>

ISEED

!>          ISEED is integer array, dimension (4)
!>          Seed for random number generator
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 90 of file dqrt13.f.