NAG Library Manual, Mark 29.3
Interfaces:  FL   CL   CPP   AD 

NAG AD Library Introduction
Example description

nag::ad::e01bg Tangent Over Tangent Example Program Results

 Derivatives calculated: Second order tangents
 Computational mode    : algorithmic

 fint = 9.666778e-02
 dint = 2.009028e-01

 Sum of all Hessian elements of (fint, dint) w.r.t. interpolation point xint :
 sum_i [d^2(fint, dint) / d(xint)^2]_i = 4.287986e+00