On Tue, 1 Nov 2011, David Knezevic wrote: > One thought is that I've always thought that ex17 was a bit strange since > we're looking for > > sup_v a(v,v) / m(v,v) > > which is unbounded as h --> 0. Perhaps things are more fragile because of > this high-frequency mode? Does ex17 work with complex numbers if you > uncomment the line: > > eigen_system.eigen_solver->set_position_of_spectrum(SMALLEST_MAGNITUDE);
Still fails for me. As I'd expect it to, I think. Even with an ill-defined infinite-dimensional problem, we ought to be getting something vaguely resembling the highest frequency mode capturable by the mesh for the discretized problem. --- Roy ------------------------------------------------------------------------------ RSA® Conference 2012 Save $700 by Nov 18 Register now! http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
