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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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