Dear all, Since the option "-snes_mf" does not call FormJacobian, then how I should set the required preconditioning matrix in the procedure of matrix-free SNES?
Thanks a lot, BehZad -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120612/57077577/attachment-0001.html>
