nag::ad::d02pf Tangent over Adjoint Example Program Results Derivatives calculated: Second order adjoints Computational mode : algorithmic Solution computed with required tolerance 1.000000e-04 y1 = 2.962625e-05 y2 = 9.999774e-01 Sum of all Hessian elements of solution vector y w.r.t. problem parameters : sum_ijk [d2y/dr2]_ijk = -3.948028e+01