Module POIS3D in CMLIB

General Information

Solves block tridiagonal linear systems of algebraic equations arising from the discretization of separable elliptic partial differential equations in 3D.

Usage

CALL POIS3D(PPEROD, L, C1, MPEROD, M, C2, NPEROD, N, A, B, D, LDIMF, MDIMF, F, IERROR, W)

Classification

D2a4	Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real nonsymmetric sparse matrices)
I2b4b	Solution of discretized elliptic equations

Type

subroutine in CMLIB package (FISHPAK sublibrary)

Language

Fortran

Availability

Public domain, Portable

Precision

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 pois3d

Fullsource

cmsrcx pois3d

Source

cmsrc pois3d

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 pois3d

Fullsource

cmsrcx pois3d

Source

cmsrc POIS3D

To Link

f77 -o main main.f -lcm