E04XAF Example Program Results Find gradients and Hessian diagonals given function only ( i.e. MODE = 0 ). Function value is 1.550E+02 Estimated gradient vector is 2.400E+01 -2.680E+02 2.160E+02 -4.000E+01 Estimated Hessian matrix diagonal is 1.220E+02 3.080E+02 4.420E+02 1.300E+02 Find Hessian matrix given function and gradients ( i.e. MODE = 1 ). Function value is 1.550E+02 Gradient vector is 2.400E+01 -2.680E+02 2.160E+02 -4.000E+01 Estimated Hessian matrix (machine dependent) is 1.220E+02 2.000E+01 0.000E+00 -1.200E+02 2.000E+01 3.080E+02 -2.160E+02 0.000E+00 0.000E+00 -2.160E+02 4.420E+02 -1.000E+01 -1.200E+02 0.000E+00 -1.000E+01 1.300E+02 Find gradients and Hessian matrix given function only ( i.e. MODE = 2 ). Function value is 1.550E+02 Estimated gradient vector is 2.400E+01 -2.680E+02 2.160E+02 -4.000E+01 Estimated Hessian matrix (machine dependent) is 1.220E+02 2.000E+01 -4.404E-03 -1.200E+02 2.000E+01 3.080E+02 -2.160E+02 6.605E-03 -4.404E-03 -2.160E+02 4.420E+02 -1.000E+01 -1.200E+02 6.605E-03 -1.000E+01 1.300E+02