Thank you for the reply.
> It is better to set pass the options directly to the objects. For instance > the following example calls EPSGetST(), STGetKSP(), KSPGetPC() to extract > objects that are nested one inside the other: > > Jose > I was only able to set PCTYPE, KSPTYPE, -st_pc_gamg_agg_nsmooths 1 and -st_pc_gamg_threshold 0.01 that way. How do I set the options for the PCMG object inside PCGAMG: "-st_mg_levels_ksp_type chebyshev", "-st_mg_levels_pc_type jacobi", "-st_mg_levels_ksp_max_it 8"? Thanks, Harshad
