Module ORTHES in CMLIB

General Information

Reduces real general matrix to upper Hessenberg form using orthogonal similarity transformations.

Usage

CALL ORTHES(NM, N, LOW, IHI, A, ORT)

Classification

D4c1b2

Reduce matrix to Hessenberg form

Type

subroutine in CMLIB package (EISPACK sublibrary)

Language

Fortran

Availability

Public domain, Portable

Precision

Single Precision

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.

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.