Re: Diagonalize sparse matrix and documentation in version 6.
- To: mathgroup at smc.vnet.net
- Subject: [mg92258] Re: Diagonalize sparse matrix and documentation in version 6.
- From: "Szabolcs HorvÃt" <szhorvat at gmail.com>
- Date: Wed, 24 Sep 2008 03:33:39 -0400 (EDT)
- References: <gbake6$12a$1@smc.vnet.net> <48D8D812.2020000@gmail.com>
Thibaut Jonckheere wrote: > Dear Group, > > I am currently writing code involving the diagonalization of large > sparse matrix. With a little research, I found this post on the group: > http://groups.google.com/group/comp.soft-sys.math.mathematica/browse_thread/thread/04e12cc442615ff1 > explaining some very useful options (like Method -> {Arnoldi, > MaxIterations -> 10^5, > Criteria -> RealPart}). > However, I found no mention of these options in the documentation > center of my Mathematica v6. The best I could find is this page on > Wolfram site: > http://documents.wolfram.com/v5/Built-inFunctions/AdvancedDocumentation/LinearAlgebra/4.4.html > but the page is for version 5.0 and called obsolete. I could not find an > equivalent page for version 6. Am I missing something, or are these > options for eigensystems not documented in version 6.0 ? > If you have a newer version of Mathematica 6, then go to Help -> Virtual Book -> Mathematica and Algorithms -> Advanced Topics -> Linear Algebra. http://reference.wolfram.com/mathematica/tutorial/LinearAlgebraInMathematicaOverview.html http://reference.wolfram.com/mathematica/tutorial/LinearAlgebraSparseArrays.html These doc pages are present in *all* versions of Mathematica 6, but they might be a little difficult to find.