Mathematica 9 is now available
Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2008

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Banded triadiagonal eigenvalues

  • To: mathgroup at smc.vnet.net
  • Subject: [mg92306] Re: Banded triadiagonal eigenvalues
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Sat, 27 Sep 2008 06:50:12 -0400 (EDT)
  • Organization: University of Bergen
  • References: <gbh4jd$mro$1@smc.vnet.net>

dkjk at bigpond.net.au wrote:
> Hi,
> 
> I'm trying to solve a pair of coupled ODEs using the finite difference
> method.  As such I need to find eigenvalues/eigenvectors of banded
> tridiagonal matrices.
> 
> I don't trust the results I'm getting from Eigensystem.
> 
> Does mathematica have any dedicated algorithm for such matrices?
> 

Take a look at the Linear Algebra section in Advanced Topics in the 
documentation:

http://reference.wolfram.com/mathematica/tutorial/LinearAlgebraInMathematicaOverview.html


  • Prev by Date: Re: Function changes in a program
  • Next by Date: Re: Help
  • Previous by thread: Banded triadiagonal eigenvalues
  • Next by thread: how to get rid of quotation marks in out put data