OK. Thank you very much. On Thu, Jan 5, 2012 at 5:15 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> On Thu, Jan 5, 2012 at 07:31, behzad baghapour <behzad.baghapour at gmail.com > > wrote: > >> I used SNES with LS cubic and basic. In some cases the cubic model can >> stabilised the global convergence BUT in some case it fails while the basic >> model has given better convergence !!! >> > > Yes, this happens sometimes. Which is better depends on the local shape of > the nonlinearity. Just try both and use whichever performs better for your > problem. > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120105/f0136e58/attachment.htm>
