Que Cat <[email protected]> writes: > Dear Petsc-Users, > > I call the nonliner solver snes in my code and it said that "SNES Failed! > Reason -3". I testes with "-pc_type lu" and it passed. I have checked the > hand-coded Jacobian, ant it looks fine. Could you suggest any possible > sources of the errors?
Run with -snes_converged_reason -ksp_converged_reason -ksp_monitor_true_residual -snes_view and send the output.
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