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[Help-gsl] Re: eigenvectors of non symmetric matrix?
From: |
David Doria |
Subject: |
[Help-gsl] Re: eigenvectors of non symmetric matrix? |
Date: |
Thu, 6 Mar 2008 17:25:08 -0500 |
Ah, it seems I do in fact have 1.8 because I was using a version ported to
windows because I spend half the day now developing some windows stuff so
its just easier to stay in it. Do you think I can just steal the
gsl_eigen.h files from the new release ? or will that break everything?
On Thu, Mar 6, 2008 at 5:08 PM, David Doria <address@hidden> wrote:
> I am taking an outer product:
>
> a b^T
> where a and b are column vectors. Then I want the eigen values and
> vectors of the resulting matrix (called mat3).
>
> I tried to use:
> gsl_eigen_symmv_workspace * EigenWorkspace = gsl_eigen_symmv_alloc
> (2);
> gsl_eigen_symmv (mat3, EigenValues, EigenVectors, EigenWorkspace);
>
> but it gave the wrong results. I guess this is because it was expecting a
> symmetric matrix? Is the only other choice to use:
> gsl_eigen_hermv_workspace * EigenWorkspace = gsl_eigen_hermv_alloc
> (2);
> gsl_eigen_hermv (mat3, EigenValues, EigenVectors, EigenWorkspace);
>
> but for that, I'd have to first make mat3 a complex matrix (or so says the
> error haha)?
>
> Please let me know.
>
> --
> Thanks,
>
> David
--
Thanks,
David