<div dir="ltr">Attached is the output with 1 processor and one subdomain. It converges in 9 iterations.<div><br></div><div style>What might be the reason for larger subdomain not to work?</div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Tue, Mar 26, 2013 at 12:59 AM, Barry Smith <span dir="ltr"><<a href="mailto:bsmith@mcs.anl.gov" target="_blank">bsmith@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
What happens if you using one process and one subdomain resulting in the equivalent of a direct solver?<br>
<br>
Why did the iteration stop at 10 iterations? What is the message if you run with -ksp_converged_reason.<br>
<br>
Barry<br>
<div><div class="h5"><br>
On Mar 25, 2013, at 6:38 AM, "Anil ." <<a href="mailto:dasans@gmail.com">dasans@gmail.com</a>> wrote:<br>
<br>
> 1) Could not find the petrbf mailing list<br>
> 2) Petrbf runs perfectly<br>
> 3) Attached is the output with -ksp_view -ksp_monitor<br>
><br>
> Just point me in the right direction. Issues might be very basic as I am starting to use Petsc<br>
><br>
><br>
> On Sat, Mar 23, 2013 at 2:18 AM, Matthew Knepley <<a href="mailto:knepley@gmail.com">knepley@gmail.com</a>> wrote:<br>
> On Fri, Mar 22, 2013 at 10:58 PM, Anil . <<a href="mailto:dasans@gmail.com">dasans@gmail.com</a>> wrote:<br>
> Hi,<br>
><br>
> I have a text file containing N rows.<br>
> Each row with x,y,omega values.<br>
> I am trying to interpolate this data onto a regular grid using petrbf<br>
> But the KSP does not converge and am not able to find the reason.<br>
><br>
> The code is available with the text files at<br>
> <a href="https://www.dropbox.com/s/cypuwugbxo07kx0/rbf-interpolation.tar.gz" target="_blank">https://www.dropbox.com/s/cypuwugbxo07kx0/rbf-interpolation.tar.gz</a><br>
><br>
> I am very new to petsc and any direction how o proceed would be helpful.<br>
><br>
> 1) Did you mail the petrbf list?<br>
><br>
> 2) Could you run the petrbf examples?<br>
><br>
> 3) We cannot tell anything about convergence without the output of -ksp_view -ksp_monitor.<br>
><br>
> Matt<br>
><br>
> --<br>
> Sincerely<br>
> Anil Das P V<br>
><br>
><br>
><br>
> --<br>
> What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
> -- Norbert Wiener<br>
><br>
><br>
><br>
> --<br>
> Sincerely<br>
> Anil Das P V<br>
</div></div>> <ksp_output><br>
<br>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div>Sincerely</div>Anil Das P V<br>
</div>