On Tue, Aug 11, 2015 at 12:49 PM, Gideon Simpson <[email protected]> wrote:
> Maybe it’s a quirk of the macports installation of petsc, but nothing > seems to be getting generated. > Run with -options_left. Is it reading the option? Matt > -gideon > > On Aug 11, 2015, at 1:40 PM, Jed Brown <[email protected]> wrote: > > Gideon Simpson <[email protected]> writes: > > I’m a bit confused by the following options: > > Run with -snes_check_jacobian_view [viewer][:filename][:format] to show > difference of hand-coded and finite difference Jacobian. > > What flags do I pass it to get some output to diagnose my Jacobian error? > > > Nothing to display ASCII to the screen. You might use > "binary:thematrix" if you want to read it in with Python or MATLAB, for > example. > > > -- 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
