TSDiscGradSetFormulation#
Set the construction method for S, F, and grad F from the formulation u_t = S(u) grad F(u) for TSDISCGRAD
Synopsis#
#include "petscts.h"
PetscErrorCode TSDiscGradSetFormulation(TS ts, PetscErrorCode (*Sfunc)(TS, PetscReal, Vec, Mat, void *), PetscErrorCode (*Ffunc)(TS, PetscReal, Vec, PetscScalar *, void *), PetscErrorCode (*Gfunc)(TS, PetscReal, Vec, Vec, void *), void *ctx)
Not Collective
Input Parameters#
ts - timestepping context
Sfunc - constructor for the S matrix from the formulation
Ffunc - functional F from the formulation
Gfunc - constructor for the gradient of F from the formulation Calling sequence of Sfunc:
PetscErrorCode func(TS ts, PetscReal time, Vec u, Mat S, void *)
Calling sequence of Ffunc#
PetscErrorCode func(TS ts, PetscReal time, Vec u, PetscScalar *F, void *)
Calling sequence of Gfunc#
PetscErrorCode func(TS ts, PetscReal time, Vec u, Vec G, void *)
See Also#
TS: Scalable ODE and DAE Solvers, TSDISCGRAD
, TSDiscGradGetFormulation()
Level#
Intermediate
Location#
Implementations#
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages