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MathGroup Archive 2004

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Re: A question about sort

  • To: mathgroup at
  • Subject: [mg48204] Re: A question about sort
  • From: Jens-Peer Kuska <kuska at>
  • Date: Tue, 18 May 2004 04:16:05 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <c89q6d$t65$>
  • Reply-to: kuska at
  • Sender: owner-wri-mathgroup at


m = Table[Random[], {3}, {3}];


Transpose[Sort[Transpose[Eigensystem[m]], First[#1] < First[#2] &]]

sort eigenvalues and eigenvectors beginning with the smalest


Daohua Song wrote:
> Hi everyone,
>    When i get the eigenvalues and eigenvectors for a matrix. i want to
> sort the eigenvalues and hope eigenvectors change the positions
> correspondingly.  How to do it ?
>    Thanks
> Song

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