[petsc-users] preonly ksp with convergence testing?

Barry Smith bsmith at mcs.anl.gov
Fri Apr 24 13:02:29 CDT 2015


  If you want multiple iterations (applications of the preconditioner) then use -ksp_type richardson see KSPRICHARDSON


> On Apr 24, 2015, at 12:49 PM, Gideon Simpson <gideon.simpson at gmail.com> wrote:
> 
> Is it possible (for pedagogical purposes) to use a preonly ksp with, say, Jacobi or SOR, and have it terminate when a convergence criterion is met?
> 
> -gideon
> 



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