NAG Library Manual, Mark 27.2
Interfaces:  FL   CL   CPP   AD 
NAG AD Library Introduction
Example description

 nag::ad::g02aa Tangent over Tangent Example Program Results

 Nearest Correlation Matrix:

  1.000000000000e+00 -8.084124981489e-01  1.915875018502e-01  1.067750490255e-01
 -8.084124981489e-01  1.000000000000e+00 -6.562326948064e-01  1.915875018502e-01
  1.915875018502e-01 -6.562326948064e-01  1.000000000000e+00 -8.084124981489e-01
  1.067750490255e-01  1.915875018502e-01 -8.084124981489e-01  1.000000000000e+00

 Derivatives calculated: Second order tangents

 Sum of Hessian elements of NCM X w.r.t. input matrix G:
 sum_ij [d2X/dG2]_ij = -2.545650478237e-01