[SciPy-user] generalized eigenvalue problem for sparse matrices

Matthieu Brucher matthieu.brucher@gmail....
Tue Apr 15 09:55:23 CDT 2008


2008/4/15, Ondrej Certik <ondrej@certik.cz>:
>
> On Tue, Apr 15, 2008 at 4:29 PM, Matthieu Brucher
> <matthieu.brucher@gmail.com> wrote:
> > Hi,
> >
> > I've tested this function with a 2000x2000 array, and like Abhinav, I
> didn't
> > manage to find correct eigenvalues. Everything worked as expected with a
> > dense array with the same element with numpy.linalg.eig, but not with
> > Arpack...
>
>
>
> When I compiled arpack myself and used it myself, I also didn't manage
> to get correct results. Anyway, I wouldn't recommend to use arpack.
>
>
> Ondrej
>

What do you recommend for generalized eigenproblems with sparse arrays ?

Matthieu
-- 
French PhD student
Website : http://matthieu-brucher.developpez.com/
Blogs : http://matt.eifelle.com and http://blog.developpez.com/?blog=92
LinkedIn : http://www.linkedin.com/in/matthieubrucher
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