On Tue, 1 Nov 2011, David Knezevic wrote: > On 11/01/2011 03:28 PM, Roy Stogner wrote:
>> The problem seems to be some issue with the default iterative solvers >> we tell SLEPc to use; it looks like for some reason they're getting a >> "norm" of their initial random starting vector that isn't a >> non-negative real number. I'm not sure how this would happen, though >> a Google search suggests that we're not the first people to run into >> this IPNorm error when doing a generalized eigenproblem. > > Interesting. So it's not a bug per se, good to know. It might still point to a bug. Our matrices in ex17 should both be real-valued symmetric, right? The stiffness matrix is not invertible, but I don't see how that would cause a problem in C but not in R. --- 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
