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Module SPOCO in SLATEC

General Information

Factor a real symmetric positive definite matrix and estimate the condition number of the matrix.

Usage
CALL SPOCO (A, LDA, N, RCOND, Z, INFO)
Classification
D2b1bSolution of systems of linear equations, including matrix inverses, and LU and related factorizations (real symmetric positive definite matrices)
Type
subroutine in SLATEC package
Language
Fortran
Availability
Public domain, Portable
Precision
Single Precision
Alternates
DPOCO
Double 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.
To Link
f77 -o prog prog.f -lslatec

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
slatecdoc spoco
Fullsource
slatecsrcx spoco
Source
slatecsrc SPOCO
To Link
f77 -o example example.f -lslatec
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