[petsc-users] Use two KSP solver in the same code.

[Matthew Knepley]

On Mon, Nov 7, 2011 at 5:28 PM, Alexander Grayver
<agrayver at gfz-potsdam.de>wrote:

> **
> On 07.11.2011 17:47, Jed Brown wrote:
>
> On Mon, Nov 7, 2011 at 09:39, NAN ZHAO <zhaonanavril at gmail.com> wrote:
>
>> I want to solve a coupled system and prepare to solve the two system in
>> certain order in one code. I need to use the KSP solver twice, Does anyone
>> know a good example in the example file. Do I need to create two Petsc
>> object in a c++ code?
>>
>
> Just create two KSP objects, one for each system you want to solve.
>
>
> Sorry for disturbing, but I've also got similar question. How can one
> specify individual options through command line for two different KSPs?
>

http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/KSP/KSPSetOptionsPrefix.html

   Matt

-- 
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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20111107/5202e130/attachment.htm>