#include "petscsnes.h" PetscErrorCode SNESGetJacobian(SNES snes,Mat *Amat,Mat *Pmat,PetscErrorCode (**J)(SNES,Vec,Mat,Mat,void*),void **ctx)Not Collective, but Mat object will be parallel if SNES object is
| Amat | - location to stash (approximate) Jacobian matrix (or NULL) | |
| Pmat | - location to stash matrix used to compute the preconditioner (or NULL) | |
| J | - location to put Jacobian function (or NULL), see SNESJacobianFunction for details on its calling sequence | |
| ctx | - location to stash Jacobian ctx (or NULL) |
Level:advanced
Location:src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages