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/20120105/8e8e1a4a/attachment.htm>
