Jacobi...
On Tue, Nov 15, 2011 at 1:22 PM, Matthew Knepley <knepley at gmail.com> wrote: > On Tue, Nov 15, 2011 at 5:17 AM, Dominik Szczerba <dominik at itis.ethz.ch> > wrote: >> >> What will happen if my matrix has (close to, or exactly) zeros on the >> diagonal? Does Petsc handle such cases smartly somehow or am I right >> to expect poor convergence (values close to zero) or failure (values >> exactly zero)? > > It would depend on what preconditioner you are using. > ? ?Matt > >> >> Many thanks, >> Dominik > > > > -- > 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 >
