nag::ad::d02pt Tangent over Tangent Example Program Results Cost of the integration in evaluations of f is 892 Derivatives calculated: Second order tangents Computational mode : algorithmic Solution computed with required tolerance 1.000000000000e-04 y1 = 3.044899135339e-05 y2 = 9.996811982879e-01 Sum of all Hessian elements of solution vector y w.r.t. initial values: sum_ijk [d^2 y/dy0^2]_ijk = -2.206843934327e-03