----- "Dimitri Pourbaix" <pourb...@astro.ulb.ac.be> a écrit :
> Ted, > > > To get an SVD isn't it more common to compute the eigen > decomposition of > > > > [ 0 A' ] > > [ A 0 ] > > > > Rather than A' A? > > Thanks. Never seen that approach but it is mathematically equivalent > indeed. I will try it. I think this is the Jordan-Wielandt approach. There is a Lapack Working Note (number 166 at <http://www.netlib.org/lapack/lawns/lawn166.ps>) that uses this approach but associated with Parlett and Dhillon MRRR algorithm. Luc > > Regards, > Dim. > ---------------------------------------------------------------------------- > Dimitri Pourbaix * > Institut d'Astronomie et d'Astrophysique * Don't worry, be happy > CP 226, office 2.N4.211, building NO * and CARPE DIEM. > Universite Libre de Bruxelles * > Boulevard du Triomphe * Tel : +32-2-650.35.71 > B-1050 Bruxelles * Fax : > +32-2-650.42.26 > http://sb9.astro.ulb.ac.be/~pourbaix * > mailto:pourb...@astro.ulb.ac.be > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
