tao-2.1-p0 2012-07-24

TaoComputeObjectiveAndGradient

Computes the objective function value at a given point

Synopsis

#include "taosolver.h" 
PetscErrorCode TaoComputeObjectiveAndGradient(TaoSolver tao, Vec X, PetscReal *f, Vec G)
Collective on TaoSolver

Input Parameters

tao - the TaoSolver 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/interface/taosolver_fg.c
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