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