On 2/23/07, Niriedith Karina <niriedith at gmail.com> wrote: > Hi again :P > > how can work whit the algebraic multigrid in petsc? i really don't know :( You need to configure with an AMG package, for instance --download-hypre. Then the solver will be available -pc_type hypre -pc_hypre_type boomeramg. Matt > thaks :D >