On Thu, Feb 21, 2013 at 4:20 PM, Amneet Bhalla <mail2amneet at gmail.com>wrote:
> > On Thu, Feb 21, 2013 at 2:57 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote: > >> that you're happy with and that performs well with fieldsplit or custom >> preconditioning that will be amenable to your MatShells > > > Is fieldsplit an alternative approach to MatNest and VecNest? The problem > is that I am working on nonnative PETSc > data; so I am not sure which recent methods would support shell approach. > All I want is to use PETSc's algorithm > for solving multicomponent system of equation. I am not bothering about > preconditioning yet, as I will be trying > a custom preconditioner down the road. > MatNest is just an optimization matrix format. Get your stuff working with FieldSplit and then think about optimization. Matt > > -- > Amneet > > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20130221/4eef080b/attachment.html>
