petsc-3.12.5 2020-03-29
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TaoSetObjectiveRoutine

Sets the function evaluation routine for minimization

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoSetObjectiveRoutine(Tao tao, PetscErrorCode (*func)(Tao, Vec, PetscReal*,void*),void *ctx)
Logically collective on Tao

Input Parameter

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

Calling sequence of func

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

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

See Also

TaoSetGradientRoutine(), TaoSetHessianRoutine() TaoSetObjectiveAndGradientRoutine()

Level

beginner

Location

src/tao/interface/taosolver_fg.c

Examples

src/tao/pde_constrained/examples/tutorials/elliptic.c.html
src/tao/pde_constrained/examples/tutorials/parabolic.c.html
src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html

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