nag::ad::d02pr Tangent Example Program Results Derivatives calculated: First order tangents Computational mode : algorithmic Solution computed with required tolerance 1.000000e-04 y1 = 2.999952e-01 y2 = -9.518287e-04 y3 = 4.450436e-03 y4 = 2.380495e+00 Sum of all Jacobian elements of solution vector y w.r.t. problem parameter epsilon : sum_i [dy/deps]_i = 3.698740e+00