TaoSetResidualRoutine#

Sets the residual evaluation routine for least-square applications

Synopsis#

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

Logically Collective

Input Parameters#

tao - the Tao context
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`#

PetscErrorCode func(Tao tao, Vec x, Vec f, void *ctx);

tao - the optimizer
x - input vector
f - 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/chwirut1.c
src/tao/leastsquares/tutorials/chwirut1f.F90
src/tao/leastsquares/tutorials/chwirut2.c
src/tao/leastsquares/tutorials/chwirut2f.F90
src/tao/leastsquares/tutorials/cs1.c
src/tao/leastsquares/tutorials/tomography.c

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