petsc-3.4.5 2014-06-29

SNESUpdateCheckJacobian

 Checks each Jacobian computed by the nonlinear solver comparing the users function with a finite difference computation.

Synopsis

PetscErrorCode SNESUpdateCheckJacobian(SNES snes,PetscInt it)

Options Database

-snes_check_jacobian - use this every time SNESSolve() is called
-snes_check_jacobian_view - Display difference between approximate and hand-coded Jacobian

See Also

SNESCreate(), SNES, SNESSetType(), SNESNEWTONLS, SNESNEWTONTR, SNESSolve()

Level:intermediate
Location:src/snes/impls/test/snestest.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages