TaoSetResidualRoutine

Sets the residual evaluation routine for least-square applications

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoSetResidualRoutine(Tao tao, Vec res, PetscErrorCode (*func)(Tao tao, Vec x, Vec res, void *ctx), void *ctx)

Logically Collective

Input Parameters

• tao - the Tao context

• res - the residual vector

• func - the residual evaluation routine

• ctx - [optional] user-defined context for private data for the function evaluation routine (may be NULL)

Calling sequence of func

• tao - the optimizer

• x - input vector

• res - function value vector

• ctx - [optional] user-defined function context

See Also

TAO: Optimization Solvers, Tao, TaoSetObjective(), TaoSetJacobianRoutine()

Level

beginner

Location

src/tao/interface/taosolver_fg.c

Examples

src/tao/leastsquares/tutorials/chwirut2.c
src/tao/leastsquares/tutorials/chwirut2f.F90
src/tao/leastsquares/tutorials/chwirut1.c
src/tao/leastsquares/tutorials/cs1.c
src/tao/leastsquares/tutorials/chwirut1f.F90
src/tao/leastsquares/tutorials/tomography.c

---

Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages