Module DPBCO in CMLIB

General Information

Compute LU factorization of double precision positive definite band matrix and estimate its condition.

Usage

CALL DPBCO(ABD, LDA, N, M, RCOND, Z, INFO)

Classification

D2b2	Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real symmetric positive definite banded matrices)

Type

subroutine in CMLIB package (LINPAKD sublibrary)

Language

Fortran

Availability

Public domain, Portable

Precision

Double Precision

Alternates

SPBCO

Single Precision

Download from 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

cmdoc dpbco

Fullsource

cmsrcx dpbco

Source

cmsrc dpbco

To Link

See cmlib man page.

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.

Documentation

cmdoc dpbco

Fullsource

cmsrcx dpbco

Source

cmsrc DPBCO

To Link

f77 -o main main.f -lcm