Module NULL in NAPACK

• NAPACK Information

• Components
  • Fullsource from NETLIB
  • Source from NETLIB

NULL

 
Computes an orthonormal basis for the space perpendicular to a given collection
of vectors. The matrix containing the vectors must first be factored using the
NAPACK subroutine QR.
 
Classes  :  D5 . QR decomposition, Gram-Schmidt orthogonalization
 
Type     : Fortran subroutine in NAPACK package.
Access   : Some uses prohibited. Portable.
Precision: Single.
 
Usage    : CALL NULL (B, LB, N, A, C)
 
See also : QR
 
Details  : Fullsource Source
Sites    : (1) NETLIB
 

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