Module ORTBAK in CMLIB

General Information

Forms eigenvectors of general real matrix from eigenvectors of upper Hessenberg matrix output from ORTHES.

Usage

CALL ORTBAK(NM, LOW, IGH, A, ORT, M, Z)

Classification

D4c4	Back transform matrix eigenvectors

Type

subroutine in CMLIB package (EISPACK sublibrary)

Language

Fortran

Availability

Public domain, Portable

Precision

Single Precision

See also

ORTHES

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.