petsc-3.7.1 2016-05-15
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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 Many br

Input Parameters

tao - the Tao context Many br
X - input vector Many br

Output Parameter

f - Objective value at X Many br
g - Gradient vector at X Many br

Notes: TaoComputeObjectiveAndGradient() is typically used within minimization implementations, Many brso most users would not generally call this routine themselves. Many br

Many br

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