Module SGESVD in LAPACK

General Information

Computes the singular value decomposition (SVD) of a general rectangular matrix. (Simple driver.).

Usage

CALL SGESVD( JOBU, JOBVT, M, N, A, LDA, S, U, LDU, VT, LDVT, WORK, LWORK, INFO )

Classification

D6	Singular value decomposition (SVD)

Type

subroutine in LAPACK package (SINGLE sublibrary)

Language

Fortran

Availability

Public domain, Portable

Precision

Single Precision

Alternates

DGESVD

Double Precision

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)

Installation on ARNO; Silicon Graphics Origin 2000

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968, consult@nist.gov

Usage

Those logged in to arno.nist.gov or amur.nist.gov may access this module as follows.

Documentation

man sgesvd

To Link

f90 prog.f -lscs (or -lscs_mp for multiprocessor version)

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

NeededBLAS

Can be downloaded from netlib

To Link

f77 -o myprog myprog.f -llapack -lblas