DMMGSetSNESLocalFD

Sets the local user function that is used to approximately compute the Jacobian via finite differences.

Synopsis

#include "petscdmda.h"    
#include "petscdmmesh.h"  
#include "petscpcmg.h"    
#include "petscdmmg.h"  
#include "petscmat.h" 
PetscErrorCode DMMGSetSNESLocalFD(DMMG *dmmg,DMDALocalFunction1 function)
This is being deprecated. Use KSPSetDM() for linear problems and SNESSetDM() for nonlinear problems. See src/ksp/ksp/examples/tutorials/ex45.c and src/snes/examples/tutorials/ex57.c

Logically Collective on DMMG

Input Parameter

dmmg - the context
function - the function that defines the nonlinear system

See Also

DMMGCreate(), DMMGDestroy, DMMGSetKSP(), DMMGSetSNES(), DMMGSetSNESLocal()

Level:intermediate
Location:
src/snes/utils/damgsnes.c
Index of all DMMG routines
Table of Contents for all manual pages
Index of all manual pages