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

Matthew Knepley knepley at gmail.com
Mon Nov 7 11:31:41 CST 2011

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?



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
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