NAG Library Manual, Mark 29.1
Interfaces:  FL   CL   CPP   AD 

NAG AD Library Introduction
Example description

 nag::ad::e04us Tangent over Tangent Example Program Results

 Derivatives calculated: First order tangents
 Computational mode    : algorithmic

 Solution:
 x = [4.199526524076e-01, 1.284845223872e+00]

 Sum of all Hessian entries:
 sum_ijk [d2x/druser2]_ijk = -3.252797582365e-02