Nico Schlömer <[email protected]> writes: > For the record, the problem I had was caused by the fact that I > * first created the solver, > * then set > PetscOptionsSetValue('pc_type', 'fieldsplit')
Please use PCSetType(pc,PCFIELDSPLIT) if you are setting this up from code, rather than tinkering with the options database. Also, we strongly recommend calling KSPSetFromOptions() *after* any manual settings, so that the solver can be modified at run-time.
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