Re: eigenvectors

[Daniel Heiserer]

address@hidden wrote:
> 
> This may be a dumb question, forgive me, it's been too long.
> 
> I have a real, square matrix Q and I need to factorize it as
> 
>         Q = inv(X)*D*X
> 
> where D is diagonal.  I think that this means that D contains the
> eigenvalues and X contains the eigenvectors of Q.  Is that right?  How do
> I get D and X from octave.  The function svd gives the "right and left"
> eigenvectors for any matrix.  I thought that for square matrices this
> would mean that it would return X but I was wrong.
> 
> Sheepishly,
> Heber
> 

[X,D]=eig(Q);



-- 
Mit freundlichen Gruessen
                                 Daniel Heiserer
-----
--------------------------------------------------------------
Dipl.-Phys. Daniel Heiserer, BMW AG, Knorrstrasse 147, 80788 Muenchen
Abteilung EK-20
Tel.: 089-382-21187, Fax.: 089-382-42820
mailto:address@hidden



---------------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.  To ensure
that development continues, see www.che.wisc.edu/octave/giftform.html
Instructions for unsubscribing: www.che.wisc.edu/octave/archive.html
---------------------------------------------------------------------