#include "petscdmda.h" #include "petscsnes.h" PetscErrorCode DMDASNESSetJacobianLocal(DM dm,PetscErrorCode (*func)(DMDALocalInfo*,void*,Mat,Mat,void*),void *ctx)Logically Collective
| dm | - DM to associate callback with | |
| func | - local Jacobian evaluation | |
| ctx | - optional context for local Jacobian evaluation |
| info | - DMDALocalInfo defining the subdomain to evaluate the Jacobian at | |
| x | - dimensional pointer to state at which to evaluate Jacobian (e.g. PetscScalar *x or **x or ***x) | |
| J | - Mat object for the Jacobian | |
| M | - Mat object for the Jacobian preconditioner matrix | |
| ctx | - optional context passed above |