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

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