PetscDSGetExactSolutionTimeDerivative#
Get the pointwise time derivative of the exact solution function for a given test field
Synopsis#
#include "petscds.h" 
PetscErrorCode PetscDSGetExactSolutionTimeDerivative(PetscDS prob, PetscInt f, PetscErrorCode (**sol)(PetscInt dim, PetscReal t, const PetscReal x[], PetscInt Nc, PetscScalar u[], void *ctx), void **ctx)
Not Collective
Input Parameters#
- prob - The - PetscDS
- f - The test field number 
Output Parameters#
- sol - time derivative of the exact solution for the test field 
- ctx - time derivative of the exact solution context 
Calling sequence of exactSol#
- dim - the spatial dimension 
- t - current time 
- x - coordinates of the current point 
- Nc - the number of field components 
- u - the solution field evaluated at the current point 
- ctx - a user context 
See Also#
PetscDS, PetscDSSetExactSolutionTimeDerivative(), PetscDSGetExactSolution()
Level#
intermediate
Location#
Index of all DT routines
Table of Contents for all manual pages
Index of all manual pages