.TH "TESTING/LIN/zqrt15.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME TESTING/LIN/zqrt15.f .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "subroutine \fBzqrt15\fP (scale, rksel, m, n, nrhs, a, lda, b, ldb, s, rank, norma, normb, iseed, work, lwork)" .br .RI "\fBZQRT15\fP " .in -1c .SH "Function/Subroutine Documentation" .PP .SS "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)" .PP \fBZQRT15\fP .PP \fBPurpose:\fP .RS 4 .PP .nf !> !> ZQRT15 generates a matrix with full or deficient rank and of various !> norms\&. !> .fi .PP .RE .PP \fBParameters\fP .RS 4 \fISCALE\fP .PP .nf !> SCALE is INTEGER !> SCALE = 1: normally scaled matrix !> SCALE = 2: matrix scaled up !> SCALE = 3: matrix scaled down !> .fi .PP .br \fIRKSEL\fP .PP .nf !> RKSEL is INTEGER !> RKSEL = 1: full rank matrix !> RKSEL = 2: rank-deficient matrix !> .fi .PP .br \fIM\fP .PP .nf !> M is INTEGER !> The number of rows of the matrix A\&. !> .fi .PP .br \fIN\fP .PP .nf !> N is INTEGER !> The number of columns of A\&. !> .fi .PP .br \fINRHS\fP .PP .nf !> NRHS is INTEGER !> The number of columns of B\&. !> .fi .PP .br \fIA\fP .PP .nf !> A is COMPLEX*16 array, dimension (LDA,N) !> The M-by-N matrix A\&. !> .fi .PP .br \fILDA\fP .PP .nf !> LDA is INTEGER !> The leading dimension of the array A\&. !> .fi .PP .br \fIB\fP .PP .nf !> B is COMPLEX*16 array, dimension (LDB, NRHS) !> A matrix that is in the range space of matrix A\&. !> .fi .PP .br \fILDB\fP .PP .nf !> LDB is INTEGER !> The leading dimension of the array B\&. !> .fi .PP .br \fIS\fP .PP .nf !> S is DOUBLE PRECISION array, dimension MIN(M,N) !> Singular values of A\&. !> .fi .PP .br \fIRANK\fP .PP .nf !> RANK is INTEGER !> number of nonzero singular values of A\&. !> .fi .PP .br \fINORMA\fP .PP .nf !> NORMA is DOUBLE PRECISION !> one-norm norm of A\&. !> .fi .PP .br \fINORMB\fP .PP .nf !> NORMB is DOUBLE PRECISION !> one-norm norm of B\&. !> .fi .PP .br \fIISEED\fP .PP .nf !> ISEED is integer array, dimension (4) !> seed for random number generator\&. !> .fi .PP .br \fIWORK\fP .PP .nf !> WORK is COMPLEX*16 array, dimension (LWORK) !> .fi .PP .br \fILWORK\fP .PP .nf !> LWORK is INTEGER !> length of work space required\&. !> LWORK >= MAX(M+MIN(M,N),NRHS*MIN(M,N),2*N+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 \fB147\fP of file \fBzqrt15\&.f\fP\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.