DMDASNESSetJacobianLocalVec#
set a local Jacobian evaluation function that operates on a local vector with DMDA
Synopsis#
#include "petscdmda.h"
#include "petscsnes.h"
PetscErrorCode DMDASNESSetJacobianLocalVec(DM dm, PetscErrorCode (*func)(DMDALocalInfo *, Vec, Mat, Mat, void *), void *ctx)
Logically Collective
Input Parameters#
dm -
DMto associate callback withfunc - local Jacobian evaluation
ctx - optional context for local Jacobian evaluation
Calling sequence of func#
PetscErrorCode (*func)(DMDALocalInfo *info, Vec x, Mat J, Mat M, void *ctx),
info -
DMDALocalInfodefining the subdomain to evaluate the Jacobian atx - state vector at which to evaluate Jacobian
J - Mat object for the Jacobian
M - Mat object for the Jacobian preconditioner matrix, often
Jctx - optional context passed above
See Also#
DMDA, DMDASNESSetJacobianLocal(), DMDASNESSetFunctionLocalVec(), DMSNESSetJacobian(), DMDACreate1d(), DMDACreate2d(), DMDACreate3d()
Level#
beginner
Location#
Examples#
Index of all SNES routines
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