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 < [email protected]> 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 > [email protected] > http://lists.gnu.org/mailman/listinfo/help-gsl > _______________________________________________ Help-gsl mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-gsl
