Example description

nag_opt_lsq_check_deriv (e04yac) Example Program Results

The test point is     1.900e-01   -1.340e+00    8.800e-01

Derivatives are consistent with residual values.

At the test point, lsqfun() gives

      Residuals                   1st derivatives
       -2.029e-03          1.000e+00       -4.061e-02       -2.707e-03
       -1.076e-01          1.000e+00       -9.689e-02       -1.384e-02
       -2.330e-01          1.000e+00       -1.785e-01       -4.120e-02
       -3.785e-01          1.000e+00       -3.043e-01       -1.014e-01
       -5.836e-01          1.000e+00       -5.144e-01       -2.338e-01
       -8.689e-01          1.000e+00       -9.100e-01       -5.460e-01
       -1.346e+00          1.000e+00       -1.810e+00       -1.408e+00
       -2.374e+00          1.000e+00       -4.726e+00       -4.726e+00
       -2.975e+00          1.000e+00       -6.076e+00       -6.076e+00
       -4.013e+00          1.000e+00       -7.876e+00       -7.876e+00
       -5.323e+00          1.000e+00       -1.040e+01       -1.040e+01
       -7.292e+00          1.000e+00       -1.418e+01       -1.418e+01
       -1.057e+01          1.000e+00       -2.048e+01       -2.048e+01
       -1.713e+01          1.000e+00       -3.308e+01       -3.308e+01
       -3.681e+01          1.000e+00       -7.089e+01       -7.089e+01