Module DORMRQ.C in CLAPACK

General Information

Multiplies a real general matrix by the orthogonal matrix from an RQ factorization determined by DGERQF. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].

Usage

int dormrq_(char *side, char *trans, integer *m, integer *n, integer *k, double real *a, integer *lda, doublereal *tau, doublereal * c, integer *ldc, doublerea l *work, integer *lwork, integer *info)

Classification

D5	QR decomposition, Gram-Schmidt orthogonalization

Type

subroutine in CLAPACK package (DOUBLE sublibrary)

Language

C

Availability

Public domain, Portable

Precision

Double Precision

Alternates

SORMRQ.C

Single Precision

See also

DGERQF

Download from NETLIB; Public access repository

Location

The University of Tennessee at Knoxville and Bell Laboratories

Contact

Jack Dongarra, ORNL (dongarra@cs.utk.edu) and Eric Grosse, Bell Labs (ehg@research.att.com)