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

[Anil .]

Matt,

I am having around 3481 particles that are placed in an unstructured manner.
Attached is the image showing the distribution.


On Tue, Mar 26, 2013 at 11:45 PM, Matthew Knepley <knepley at gmail.com> wrote:

> On Mon, Mar 25, 2013 at 10:38 PM, 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
>>
>
> This output is a little strange. Some partitions have 0 entries. I am
> guessing this problem is very
> small. For PeRBF, it does turn out to be optimal to use small blocks, but
> the block size depends
> on your interaction scale. Right now you have 75 blocks, which might be
> too many for your small
> problem.
>
>    Matt
>
>
>> 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
>>
>
>
>
> --
> 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
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