petsc-3.5.4 2015-05-23
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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