Great Thanks for clarifying .
Le 22 avr. 2013 ? 17:14, Jed Brown a ?crit : > Tahar Amari <tahar.amari at polytechnique.edu> writes: > >> I am not sure I understand your point. I guess you mean that inside >> petsc only a version of Gmres working with preconditioning is not yet >> implemanted , Am I right ? > > I have no idea what Matt intended to say, but all PETSc Krylov methods > use preconditioners. However, as Matt and Mark said, multigrid is much > better than block Jacobi as a preconditioner for these problems. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20130422/9ca9e625/attachment-0001.html>
