On Tue, 9 Nov 2010, Jed Brown wrote: > On Tue, Nov 9, 2010 at 12:49, Tim Kroeger <tim.kroeger at > cevis.uni-bremen.de> wrote: > > It might be imporant to know that the original matrix is a ShellMatrix. > > > Yes, this is important. ?Check the implementation of MatMultAdd for the Shell.
Thank you, I found it now: The shell matrix does not implement MatMultAdd, only MatMult. Of course, it can't work then. Thank you very much! Best Regards, Tim -- Dr. Tim Kroeger CeVis -- Center of Complex Systems and Visualization University of Bremen tim.kroeger at cevis.uni-bremen.de Universitaetsallee 29 tim.kroeger at mevis.fraunhofer.de D-28359 Bremen Phone +49-421-218-7710 Germany Fax +49-421-218-4236
