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MathGroup Archive 2002

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information on Eigensystem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg33574] information on Eigensystem
  • From: "Borut L" <gollum at email.si>
  • Date: Mon, 1 Apr 2002 02:02:07 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Hello,

I am doing a comparison between three methods for finding an eigensystem of
a matrix, Numerical Recipes tqli + tred2, jacobi, and Mathematica's
Eigensystem[].

I would like to acquire info on which algorithm does Mathematica have for
finding it out? What does she do in a case of a real symmetric matrix? I am
asking it because I haven't found anything in the implementation notes.

Thank you for you time,

Borut from Slovenia





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