.TH "TESTING/LIN/dqrt15.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
TESTING/LIN/dqrt15.f
.SH SYNOPSIS
.br
.PP
.SS "Functions/Subroutines"

.in +1c
.ti -1c
.RI "subroutine \fBdqrt15\fP (scale, rksel, m, n, nrhs, a, lda, b, ldb, s, rank, norma, normb, iseed, work, lwork)"
.br
.RI "\fBDQRT15\fP "
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine dqrt15 (integer scale, integer rksel, integer m, integer n, integer nrhs, double precision, dimension( lda, * ) a, integer lda, double precision, dimension( ldb, * ) b, integer ldb, double precision, dimension( * ) s, integer rank, double precision norma, double precision normb, integer, dimension( 4 ) iseed, double precision, dimension( lwork ) work, integer lwork)"

.PP
\fBDQRT15\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 DQRT15 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 DOUBLE PRECISION 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 DOUBLE PRECISION 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 of A\&.
.fi
.PP
.br
\fINORMB\fP 
.PP
.nf
          NORMB is DOUBLE PRECISION
          one-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 DOUBLE PRECISION 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 \fB146\fP of file \fBdqrt15\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.