# EvaluateHessian

Evaluate the Hessian of the objective function at the point x.

## Synopsis

    #include "tao_solver.h"
    int TaoApplication::EvaluateHessian(TaoVec *xx, TaoMat *HH)

Collective on TAO_SOLVER

## Input Parameters

xx -the point at which to evaluate the gradient

## Output Parameters

HH -the Hessian matrix

## See Also

TaoSetPetscHessian()

## Keywords

application, hessian

Level:intermediate
Location:src/appobject/interface/taoappobject.c
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