nag::ad::d02pe Tangent Example Program Results Derivatives calculated: First order tangents Computational mode : algorithmic Solution computed with required tolerance 1.000000000000e-04 y1 = 3.044899135339e-05 y2 = 9.996811982879e-01 Sum of all Jacobian elements of solution vector y w.r.t. initial values: sum_ij [dy/dy0]_ij = 1.999494141100e+00