TSAdjointMonitorSet

Sets an ADDITIONAL function that is to be used at every timestep to display the iteration’s progress.

Synopsis

#include <petscts.h>  
PetscErrorCode TSAdjointMonitorSet(TS ts, PetscErrorCode (*adjointmonitor)(TS ts, PetscInt steps, PetscReal time, Vec u, PetscInt numcost, Vec *lambda, Vec *mu, void *adjointmctx), void *adjointmctx, PetscCtxDestroyFn *adjointmdestroy)

Logically Collective

Input Parameters

• ts - the TS context obtained from TSCreate()

• adjointmonitor - monitoring routine

• adjointmctx - [optional] user-defined context for private data for the monitor routine (use NULL if no context is desired)

• adjointmdestroy - [optional] routine that frees monitor context (may be NULL), see PetscCtxDestroyFn for its calling sequence

Calling sequence of adjointmonitor

• ts - the TS context

• steps - iteration number (after the final time step the monitor routine is called with a step of -1, this is at the final time which may have been interpolated to)

• time - current time

• u - current iterate

• numcost - number of cost functionos

• lambda - sensitivities to initial conditions

• mu - sensitivities to parameters

• adjointmctx - [optional] adjoint monitoring context

Note

This routine adds an additional monitor to the list of monitors that already has been loaded.

Fortran Notes

Only a single monitor function can be set for each TS object

See Also

TS: Scalable ODE and DAE Solvers, TS, TSAdjointSolve(), TSAdjointMonitorCancel(), PetscCtxDestroyFn

Level

intermediate

Location

src/ts/interface/sensitivity/tssen.c

Examples

src/ts/tutorials/ex20td.c

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