nag_check_deriv (c05zbc) Example Program Results
The test point is     9.200e-01    1.300e-01    5.400e-01

1st derivatives are consistent with residual values.

At the test point, f() gives

    Residuals            1st derivatives

    1.807e+00   -6.800e-01   -2.000e+00    0.000e+00
   -6.438e-01   -1.000e+00    2.480e+00   -2.000e+00
    1.907e+00    0.000e+00   -1.000e+00    8.400e-01