TaoGetObjective#

Gets the function evaluation routine for the function to be minimized

Synopsis#

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

Not Collective

Input Parameter#

tao - the Tao context

Output Parameters#

func - the objective function
ctx - the user-defined context for private data for the function evaluation

Calling sequence of `func`#

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

tao - the optimizer
x - input vector
f - function value
ctx - [optional] user-defined function context

See Also#

TAO: Optimization Solvers, Tao, TaoSetGradient(), TaoSetHessian(), TaoSetObjective()

Level#

beginner

Location#

src/tao/interface/taosolver_fg.c

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