nag_opt_check_deriv (e04hcc) Example Program Results The test point is: 1.4600 -0.8200 0.5700 1.2100 First derivatives are consistent with function values. At the test point, objfun gives the function value 6.2273e+01 and the 1st derivatives -1.285e+01 -1.649e+02 5.384e+01 5.775e+00