help-gsl
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Help-gsl] eigenvectors of non symmetric matrix?


From: David Doria
Subject: [Help-gsl] eigenvectors of non symmetric matrix?
Date: Thu, 6 Mar 2008 17:08:30 -0500

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


reply via email to

[Prev in Thread] Current Thread [Next in Thread]