PETSc version 3.17.4
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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 on DM

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() beforehand

See Also

PetscDSSetExactSolution()

Level

developer

Location

src/dm/interface/dm.c

Examples

src/ts/tutorials/ex45.c.html

Index of all DM routines
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Index of all manual pages