[petsc-users] can i define a user defined residual function to determin the convergence of the kspsolve

[Matthew Knepley]

On Tue, Sep 17, 2013 at 7:19 AM, 丁老师 <ztdepyahoo at 163.com> wrote:

> i want to define a function for the computation of the equation residual
> in  a special way.
> does petsc provide this capbility
>

http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/KSP/KSPSetConvergenceTest.html#KSPSetConvergenceTest

   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
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