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MathGroup Archive 2007

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eigenvectors is taking lot of time

  • To: mathgroup at smc.vnet.net
  • Subject: [mg82567] eigenvectors is taking lot of time
  • From: vickyisai at gmail.com
  • Date: Thu, 25 Oct 2007 06:01:57 -0400 (EDT)

Hi all

I am trying to calculate eigenvectors of a 30 X 30 matrix. and
mathematica is still just "running".
Is the any way to get the eigenvectors quickly.

After 45 mins ,it was still running and displayed a message "limit of
"some number here(4096) exceeded"

i wanted eigen values and vectors both ..so i tried eigensystem....but
tat also took long, so i switched to individualfunctions of
eigenvalues and eigenvectors.

I aborted it...shud i execute it again and wait for longer?
I use Mathematica 5.2 and got a AMD Turion 2.2 Gz, does tat matter for
a  30 x 30 matrix??

Thanks

Vick Al Aisa



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