On Mar 26, 2013, at 3:55 AM, "Anil ." <dasans at gmail.com> wrote:
> Attached is the output with 1 processor and one subdomain. It converges in 9 > iterations. What does the convergence look like with -ksp_monitor_true_residual ? > > What might be the reason for larger subdomain not to work? Did you try running with more iterations? What if you run with -ksp_gmres_restart 100 -ksp_max_it 100 -ksp_converged_reason -ksp_monitor_true_residual Barry > > > On Tue, Mar 26, 2013 at 12:59 AM, Barry Smith <bsmith at mcs.anl.gov> wrote: > > What happens if you using one process and one subdomain resulting in the > equivalent of a direct solver? > > Why did the iteration stop at 10 iterations? What is the message if you > run with -ksp_converged_reason. > > Barry > > On Mar 25, 2013, at 6:38 AM, "Anil ." <dasans at gmail.com> wrote: > > > 1) Could not find the petrbf mailing list > > 2) Petrbf runs perfectly > > 3) Attached is the output with -ksp_view -ksp_monitor > > > > Just point me in the right direction. Issues might be very basic as I am > > starting to use Petsc > > > > > > On Sat, Mar 23, 2013 at 2:18 AM, Matthew Knepley <knepley at gmail.com> > > wrote: > > On Fri, Mar 22, 2013 at 10:58 PM, Anil . <dasans at gmail.com> wrote: > > Hi, > > > > I have a text file containing N rows. > > Each row with x,y,omega values. > > I am trying to interpolate this data onto a regular grid using petrbf > > But the KSP does not converge and am not able to find the reason. > > > > The code is available with the text files at > > https://www.dropbox.com/s/cypuwugbxo07kx0/rbf-interpolation.tar.gz > > > > I am very new to petsc and any direction how o proceed would be helpful. > > > > 1) Did you mail the petrbf list? > > > > 2) Could you run the petrbf examples? > > > > 3) We cannot tell anything about convergence without the output of > > -ksp_view -ksp_monitor. > > > > Matt > > > > -- > > Sincerely > > Anil Das P V > > > > > > > > -- > > 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 > > > > > > > > -- > > Sincerely > > Anil Das P V > > <ksp_output> > > > > > -- > Sincerely > Anil Das P V > <ksp_output1>
