PETSc version 3.17.4
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# TSComputeIJacobianP

Runs the user-defined IJacobianP function.

### Synopsis

    #include "petscts.h"
    PetscErrorCode TSComputeIJacobianP(TS ts,PetscReal t,Vec U,Vec Udot,PetscReal shift,Mat Amat,PetscBool imex)

Collective on TS

### Input Parameters

| ts | - the TS context
| t | - current timestep
| U | - state vector
| Udot | - time derivative of state vector
| shift | - shift to apply, see note below
| imex | - flag indicates if the method is IMEX so that the RHSJacobian should be kept separate

### Output Parameters

| A | - Jacobian matrix

### See Also

TSSetIJacobianP()

### Level

developer

### Location

src/ts/interface/sensitivity/tssen.c
Index of all Sensitivity routines
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Index of all manual pages