DMPlexTSComputeIJacobianFEM#
Form the Jacobian Jac from the local input locX using pointwise functions specified by the user
Synopsis#
#include "petscdmplex.h" 
#include "petscts.h" 
PetscErrorCode DMPlexTSComputeIJacobianFEM(DM dm, PetscReal time, Vec locX, Vec locX_t, PetscReal X_tShift, Mat Jac, Mat JacP, void *user)
Input Parameters#
- dm - The mesh 
- time - The time 
- locX - Local solution 
- locX_t - Local solution time derivative, or - NULL
- X_tShift - The multiplicative parameter for dF/du_t 
- user - The user context 
Output Parameters#
- Jac - the Jacobian 
- JacP - an additional approximation for the Jacobian to be used to compute the preconditioner (often is - Jac)
See Also#
TS: Scalable ODE and DAE Solvers, TS, DM, DMPlexTSComputeIFunctionFEM(), DMPlexTSComputeRHSFunctionFEM()
Level#
developer
Location#
Examples#
src/ts/tutorials/ex77.c
src/ts/tutorials/ex46.c
src/ts/tutorials/ex18.c
src/ts/tutorials/ex30.c
src/ts/tutorials/ex45.c
src/ts/tutorials/ex76.c
src/ts/tutorials/ex48.c
src/ts/tutorials/ex47.c
src/ts/tutorials/ex53.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages