PETSc version 3.15.5
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