nag::ad::c05ay Vector Tangent over Tangent Example Program Results Derivatives calculated: Second order tangents Solution: x = 3.517338158057e-01 Second derivative of solution x w.r.t. parameter r: d2x/dr2(x)[0] = 1.006546840241e-01 d2x/dr2(x)[1] = 2.013093680482e-01 d2x/dr2(x)[2] = 2.013093680482e-01