petsc-3.9.4 2018-09-11
TaoComputeObjectiveAndGradient
Computes the objective function value at a given point
Synopsis
#include "petsctao.h"
PetscErrorCode TaoComputeObjectiveAndGradient(Tao tao, Vec X, PetscReal *f, Vec G)
Collective on Tao
Input Parameters
| tao | - the Tao context
|
| X | - input vector
|
Output Parameter
| f | - Objective value at X
|
| g | - Gradient vector at X
|
Notes: TaoComputeObjectiveAndGradient() is typically used within minimization implementations,
so most users would not generally call this routine themselves.
See Also
TaoComputeGradient(), TaoComputeObjectiveAndGradient(), TaoSetObjectiveRoutine()
Level
advanced
Location
src/tao/interface/taosolver_fg.c
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages