El 07/08/2014, a las 14:05, John Travers escribió: > On 07 Aug 2014, at 13:30, Jose E. Roman <[email protected]> wrote: > >> -st_type precond > > I tried that and got: > > [0]PETSC ERROR: No support for this operation for this object type > [0]PETSC ERROR: EPSGD only works with KSPPREONLY > > So I set: > -st_ksp_type preonly > > and get: > > [0]PETSC ERROR: No support for this operation for this object type > [0]PETSC ERROR: ST does not have apply > > My full command line is currently: > > -eps_nev 1 -eps_tol 1e-10 -eps_type gd -st_type precond -st_ksp_type preonly > > I also tried > > -st_matmode shell > > But it made no difference. > > Really, thank you very much for your patience. I’m trying to educate myself > about slepc (which is awesome BTW, so thank you), but there are a huge > number of options! > >
These options work well with SLEPc's ex1.c, so you must have something different in your source code. Send the code excerpt that sets EPS/ST options. Jose
