Module AHESS in NAPACK

• NAPACK Information

• Components
  • Fullsource from NETLIB
  • Source from NETLIB

AHESS

 
Balances a matrix and reduces it to Hessenberg form.
 
Classes  :  D4c1a .  Balance matrix for eigenvalue problem
            D4c1b2 . Reduce matrix to Hessenberg form
 
Type     : Fortran subroutine in NAPACK package.
Access   : Some uses prohibited. Portable.
Precision: Single.
 
Usage    : CALL AHESS (A, LA, N, W)
 
Details  : Fullsource Source
Sites    : (1) NETLIB
 

Implementation of AHESS 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 ahess from napack' | mail netlib@ornl.gov
   Fullsource   : echo 'send ahess from napack' | mail netlib@ornl.gov