On Tue, Sep 26, 2017 at 8:28 AM, Praveen C <[email protected]> wrote:
> Dear all > > I am solving a nonlinear problem using matrix-free approach in snes and I > give a preconditioner matrix via SNESSetJacobian. My preconditioner is > based on a first order scheme which is linear and hence preconditioner > matrix will not change. How do I tell snes not to recompute it ? > http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/SNES/SNESSetLagPreconditioner.html Matt > Thanks > praveen > -- 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 https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
