TESTING/LIN/zqrt15.f(3)    Library Functions Manual    TESTING/LIN/zqrt15.f(3)

NAME
       TESTING/LIN/zqrt15.f

SYNOPSIS
   Functions/Subroutines
       subroutine zqrt15 (scale, rksel, m, n, nrhs, a, lda, b, ldb, s, rank,
           norma, normb, iseed, work, lwork)
           ZQRT15

Function/Subroutine Documentation
   subroutine zqrt15 (integer scale, integer rksel, integer m, integer n,
       integer nrhs, complex*16, dimension( lda, * ) a, integer lda,
       complex*16, dimension( ldb, * ) b, integer ldb, double precision,
       dimension( * ) s, integer rank, double precision norma, double
       precision normb, integer, dimension( 4 ) iseed, complex*16, dimension(
       lwork ) work, integer lwork)
       ZQRT15

       Purpose:


           !>
           !> ZQRT15 generates a matrix with full or deficient rank and of various
           !> norms.
           !>

       Parameters
           SCALE

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

           RKSEL

           !>          RKSEL is INTEGER
           !>          RKSEL = 1: full rank matrix
           !>          RKSEL = 2: rank-deficient matrix
           !>

           M

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

           N

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

           NRHS

           !>          NRHS is INTEGER
           !>          The number of columns of B.
           !>

           A

           !>          A is COMPLEX*16 array, dimension (LDA,N)
           !>          The M-by-N matrix A.
           !>

           LDA

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

           B

           !>          B is COMPLEX*16 array, dimension (LDB, NRHS)
           !>          A matrix that is in the range space of matrix A.
           !>

           LDB

           !>          LDB is INTEGER
           !>          The leading dimension of the array B.
           !>

           S

           !>          S is DOUBLE PRECISION array, dimension MIN(M,N)
           !>          Singular values of A.
           !>

           RANK

           !>          RANK is INTEGER
           !>          number of nonzero singular values of A.
           !>

           NORMA

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

           NORMB

           !>          NORMB is DOUBLE PRECISION
           !>          one-norm norm of B.
           !>

           ISEED

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

           WORK

           !>          WORK is COMPLEX*16 array, dimension (LWORK)
           !>

           LWORK

           !>          LWORK is INTEGER
           !>          length of work space required.
           !>          LWORK >= MAX(M+MIN(M,N),NRHS*MIN(M,N),2*N+M)
           !>

       Author
           Univ. of Tennessee


           Univ. of California Berkeley


           Univ. of Colorado Denver


           NAG Ltd.

       Definition at line 147 of file zqrt15.f.

Author
       Generated automatically by Doxygen for LAPACK from the source code.

LAPACK                          Version 3.12.0         TESTING/LIN/zqrt15.f(3)