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Re: [Help-gsl] Unnormalized Eigenvectors
From: |
Stephan Meyen |
Subject: |
Re: [Help-gsl] Unnormalized Eigenvectors |
Date: |
Sat, 13 Aug 2005 23:47:20 +0200 |
User-agent: |
KMail/1.7.2 |
As far as I know, there is no "eigenvector" of a matrix, but a set of
eigenvectors. To represent that set, you pic one vector out of this set -
normally one of the normalized vectors inthat set.
You get the "unnormalized" ones by multiplying your eigenvectors by a real
number. If you are looking for a certain unnormalized eigenvector, you might
be thinking of a certain problem or algorithm. Without knowing that
algorithm, it will be hard to tell you by which number you have to multiply
the results delivered by gsl.
Stephan
Am Samstag, 13. August 2005 22:37 schrieb Daniel Majchrzak:
>_I need to solve for the eigenvalues and vectors of a real symmetric
>_matrix, which is relatively easy with gsl. The problem is that I need
>_the eigenvectors to not be normalized. Is there a way to do this using
>_gsl? Failing that does anyone know of a library/code that would let me
>_do this from a C program? Am I out of luck?
>_
>_Thanks,
>_
>_Dan
>_
>_
>_
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