DMComputeExactSolution#

Compute the exact solution for a given DM, using the PetscDS information.

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMComputeExactSolution(DM dm, PetscReal time, Vec u, Vec u_t)

Collective

Input Parameters#

dm - The DM
time - The time

Output Parameters#

u - The vector will be filled with exact solution values, or NULL
u_t - The vector will be filled with the time derivative of exact solution values, or NULL

Note#

The user must call PetscDSSetExactSolution() before using this routine

See Also#

DM Basics, DM, PetscDSSetExactSolution()

Level#

developer

Location#

src/dm/interface/dm.c

Examples#

src/snes/tutorials/ex36.c
src/ts/tutorials/ex45.c
src/ts/tutorials/ex53.c
src/ts/tutorials/ex76.c
src/ts/tutorials/ex77.c

Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages