# TaoGetHessian

Sets the pointer to a TaoMat equal to the address a the TaoMat containing the Hessian matrix.

## Synopsis

    #include "tao_solver.h"
    int TaoGetHessian(TAO_SOLVER solver,TaoMat **HH)

## Input Parameter

| solver | - the TAO_SOLVER solver context
| HH | - address of a pointer to a TaoMat

## Output Parameters

HH -address of pointer to the Hessian matrix (or TAO_NULL)

Note: This routine does not create a matrix. It sets a pointer to the location of an existing matrix.

## See Also

TaoApplication::EvaluateHessian(), TaoComputeHessian()

## Keywords

TAO_SOLVER, get, Hessian

Level:developer
Location:src/interface/tao_fghj.c
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