nag::ad::e04gb Tangent over Adjoint Example Program Results Sum of squares = 8.214877306579e-03 Solution point = 8.241055980977e-02 1.133036092052e+00 2.343695178713e+00 Residuals : -5.881090849547e-03 -2.653450007297e-04 2.746922657645e-04 6.541540934042e-03 -8.229908168291e-04 -1.299494717187e-03 -4.463111506844e-03 -1.996295366571e-02 8.221604248415e-02 -1.821196264937e-02 -1.481116983629e-02 -1.470998061668e-02 -1.120799858399e-02 -4.204034518610e-03 6.807857677526e-03 Derivatives calculated: Second order adjoints Computational mode : symbolic (expert mode) Sum of Hessian elements of sum of squares fsumsq w.r.t. parameters y and t: sum_i [d2fsumsq/dall2]_ij = 1.563059505366e+00 Sum of Hessian elements of solution points x w.r.t. parameters y and t: sum_ij [d2x/dall2]_ij = 6.902926818981e+00