help-gsl
[Top][All Lists]
Advanced

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

Re: [Help-gsl] Only the largest/smallest eigenvalues and corresponding


From: Cristobal Navarro
Subject: Re: [Help-gsl] Only the largest/smallest eigenvalues and corresponding vectors
Date: Thu, 15 Jul 2010 13:06:52 -0400

i just been working with eigenvalues.

even when there is not a feature like that, i computed the eigenvalues and
did a one-time scan and took the largest real one for each matrix. The cost
for the cpu is low, o(n). i had to to it for 1000 diferent matrices  and it
was very fast.



Cristobal <http://www.youtube.com/neoideo>


On Thu, Jul 15, 2010 at 2:09 AM, Inigo Aldazabal Mensa <
address@hidden> wrote:

> El Miércoles, 14 de Julio de 2010, Ørjan Bergmann escribió:
> >
> > Is it possible to calculate only the (say the 5) largest eigenvalues and
> > corresponding eigenvectors in a manner similar to e.g. "eigs" (rather
> > than "eig") in Matlab?
> >
>
> Last time I checked you could not do it in GSL and went with lapack for the
> job.
>
>
> _______________________________________________
> Help-gsl mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/help-gsl
>


reply via email to

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