[Home] . . . Search by [Problem] [Package] [Module] [Keyword] . . . [Math at NIST]

GAMS Module TRIDIB in SEISPACK


TRIDIB

 
Computes eigenvalues of symmetric tridiagonal matrix in given interval using
Sturm sequencing.
 
Classes  :  D4a5 .  Tridiagonal matrix eigenvalue problems
            D4c2a . Compute eigenvalues of tridiagonal matrix
 
Type     : Fortran subroutine in SEISPACK package.
Access   : Public domain. Portable.
Precision: Single.
Note     : Implementations vary among sites.
 
Usage    : CALL TRIDIB(N, EPS1, D, E, E2, LB, UB, M11, M, W, IND, IERR, RV4, RV5)
 
Details  : Fullsource Source
Sites    : (1) ARNO (2) NETLIB
 

Implementation of TRIDIB from SEISPACK on ARNO

 
ARNO:      Silicon Graphics Origin 2000, National Institute of Standards and
           Technology (NIST), Gaithersburg, MD. Available to NIST staff.
 
Precision: Single.
 
Those logged in to arno.nist.gov or amur.nist.gov may access this module as
follows.
 
   Access       : f77 -o prog prog.f -lcomplib.sgimath (Note: prepend s to
                  routine name in call)
   Documentation: man stridib
 

Implementation of TRIDIB from SEISPACK on NETLIB

 
NETLIB:    Public access repository, The University of Tennessee at
           Knoxville and Bell Laboratories
 
Precision: Single.
Note     : Double precision version available in NETLIB package EISPACK.
 
You may access components from NETLIB outside GAMS as follows.
 
   Source       : echo "send only tridib from seispack" | mail netlib@ornl.gov
   Fullsource   : echo "send tridib from seispack" | mail netlib@ornl.gov


[Home] . . . Search by [Problem] [Package] [Module] [Keyword] . . . [Math at NIST]

GAMS is a service of the Mathematical and Computational Sciences Division of the Information Technology Laboratory of the National Institute of Standards and Technology

This page was generated on Sat Sep 20, 2008 at 02:26:06 UTC