nag::ad::e04fc Tangent Example Program Results Sum of squares = 8.214877306579e-03 Solution point = 8.241056010522e-02 1.133036105199e+00 2.343695165997e+00 Residuals : -5.881091047379e-03 -2.653454565346e-04 2.746917200908e-04 6.541540419146e-03 -8.229912142825e-04 -1.299494935154e-03 -4.463111501296e-03 -1.996295340591e-02 8.221604273377e-02 -1.821196241333e-02 -1.481116961926e-02 -1.470998042816e-02 -1.120799844300e-02 -4.204034472674e-03 6.807857438304e-03 Derivatives calculated: First order tangents Sum of gradient elements of sum of squares fsumsq w.r.t. parameters y and t: sum_i [dfsumsq/dall_i] = -3.524298395924e-02 Sum of Jacobian elements of solution points x w.r.t. parameters y and t: sum_ij [dx/dall]_ij = -2.960403146222e+00