[petsc-users] Trying to modify petrbf to use custom text file

[Anil .]

Attached is the output with 1 processor and one subdomain. It converges in
9 iterations.

What might be the reason for larger subdomain not to work?


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
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