Module HFACT in NAPACK

• NAPACK Information

• Components
  • Fullsource from NETLIB
  • Source from NETLIB

HFACT

 
Factors a symmetric band matrix without pivoting.
 
Classes  :  D2b2 . Solution of systems of linear equations, including matrix
                 inverses, and LU and related factorizations (real symmetric
                 positive definite banded matrices)
 
Type     : Fortran subroutine in NAPACK package.
Access   : Some uses prohibited. Portable.
Precision: Single.
 
Usage    : CALL HFACT (A, LA, N, H)
 
Details  : Fullsource Source
Sites    : (1) NETLIB
 

Implementation of HFACT from NAPACK on NETLIB

 
NETLIB:    Public access repository, The University of Tennessee at
           Knoxville and Bell Laboratories
 
Precision: Single.
 
You may access components from NETLIB outside GAMS as follows.
 
   Source       : echo 'send only hfact from napack' | mail netlib@ornl.gov
   Fullsource   : echo 'send hfact from napack' | mail netlib@ornl.gov