# GetHessianMatrix

Sets the pointer to a matrix that will be used to store the Hessian of the objective function.

## Synopsis

    #include "tao_solver.h"
    int TaoApplication::GetHessianMatrix(TaoMat **HH)

Collective on TAO_SOLVER

## Output Parameters

HH -vector to the Hessian

## Keywords

application, gradient

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