What? This seems ridiculous. I know there are routines to extract a block of values from a matrix. But I need to have some kind of pointer to the matrix. I don't know how to get this.
- Shawn On Mon, 22 Jun 2009, Jed Brown wrote: > Shawn Walker wrote: >> Sure. I just need to be able to compute the difference between the >> entries of two matrices. Is there a demo for this? > > It's a PETSc thing, be sure to call dolfin_init(argc,argv) at the top of > main. Depending on where the other matrix comes from, there are many > ways to do this, but I assume you will be working with very small > matrices so you either want to put them in Matlab/Octave or just eyeball > them. > > Jed > > _______________________________________________ DOLFIN-dev mailing list DOLFIN-dev@fenics.org http://www.fenics.org/mailman/listinfo/dolfin-dev