petsc-dev 2014-08-27
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DMDASNESSetJacobianLocal

set a local Jacobian evaluation function

Synopsis

#include "petscdmda.h" 
#include "petscsnes.h" 
PetscErrorCode DMDASNESSetJacobianLocal(DM dm,PetscErrorCode (*func)(DMDALocalInfo*,void*,Mat,Mat,void*),void *ctx)
Logically Collective

Input Arguments

dm - DM to associate callback with
func - local residual evaluation
ctx - optional context for local residual evaluation

Calling sequence for func

info - DMDALocalInfo defining the subdomain to evaluate the residual on
x - dimensional pointer to state at which to evaluate residual
f - dimensional pointer to residual, write the residual here
ctx - optional context passed above

See Also

DMSNESSetJacobian(), DMDASNESSetJacobian(), DMDACreate1d(), DMDACreate2d(), DMDACreate3d()

Level:beginner
Location:
src/snes/utils/dmdasnes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex5.c.html
src/snes/examples/tutorials/ex7.c.html
src/snes/examples/tutorials/ex15.c.html
src/snes/examples/tutorials/ex48.c.html
src/snes/examples/tutorials/ex5f.F.html