NAG Library Manual, Mark 28.5
```
E04JEF Example Program Results

-------------------------------------------------------------------------------
E04J(D|E), Derivative-free solver for bound constrained nonlinear functions
-------------------------------------------------------------------------------

Begin of Options
Print File                    =                   6     * d
Print Level                   =                   2     * d
Print Options                 =                 Yes     * d
Print Solution                =                 All     * U
Monitoring File               =                  -1     * d
Monitoring Level              =                   4     * d
Dfo Print Frequency           =                   1     * d
Dfo Monitor Frequency         =                   0     * d

Infinite Bound Size           =         1.00000E+20     * d
Stats Time                    =                  No     * d
Time Limit                    =         1.00000E+06     * d

Dfo Max Objective Calls       =                 500     * d
Dfo Max Soft Restarts         =                   5     * d
Dfo Max Unsucc Soft Restarts  =                   3     * d
Dfo Maximum Slow Steps        =                  20     * d
Dfo Noise Level               =         0.00000E+00     * d
Dfo Noisy Problem             =                  No     * d
Dfo Number Interp Points      =                   0     * d
Dfo Number Soft Restarts Pts  =                   3     * d
Dfo Random Seed               =                  -1     * d
Dfo Starting Trust Region     =         2.00000E-01     * U
Dfo Trust Region Slow Tol     =         1.02648E-04     * d
Dfo Trust Region Tolerance    =         5.00000E-06     * U
Dfno Detect Unbounded         =                 Yes     * d
Dfno Objective Limit          =        -1.7977E+308     * d
End of Options

Problem Statistics
No of variables                  4
free (unconstrained)           1
bounded                        3
Objective function       Nonlinear

----------------------------------------
step |    obj        rho    |    nf   |
----------------------------------------
1 |  8.60E+01  2.00E-01  |    11   |
2 |  5.69E+01  2.00E-01  |    12   |
3 |  1.79E+01  2.00E-01  |    13   |
4 |  1.68E+01  2.00E-02  |    17   |
5 |  1.52E+01  2.00E-02  |    18   |
6 |  1.04E+01  2.00E-02  |    19   |
7 |  7.44E+00  2.00E-02  |    22   |
8 |  6.50E+00  2.00E-02  |    25   |
9 |  5.89E+00  2.00E-02  |    26   |
10 |  5.67E+00  2.00E-02  |    27   |
11 |  5.60E+00  2.00E-02  |    28   |
12 |  5.40E+00  2.00E-02  |    30   |
13 |  5.36E+00  2.00E-02  |    31   |
14 |  4.95E+00  2.00E-02  |    36   |
15 |  4.19E+00  2.00E-02  |    37   |
16 |  3.64E+00  2.00E-02  |    38   |
17 |  3.45E+00  2.00E-02  |    40   |
18 |  2.94E+00  2.00E-02  |    41   |
19 |  2.82E+00  2.00E-02  |    42   |
20 |  2.69E+00  2.00E-02  |    48   |
----------------------------------------
step |    obj        rho    |    nf   |
----------------------------------------
21 |  2.60E+00  2.00E-02  |    49   |
22 |  2.53E+00  2.00E-02  |    51   |
23 |  2.50E+00  2.00E-02  |    52   |
24 |  2.49E+00  2.00E-02  |    53   |
25 |  2.49E+00  2.00E-02  |    56   |
26 |  2.48E+00  2.00E-02  |    58   |
27 |  2.45E+00  2.00E-02  |    59   |
28 |  2.44E+00  2.00E-02  |    60   |
29 |  2.43E+00  2.00E-02  |    63   |
30 |  2.43E+00  2.00E-03  |    64   |
31 |  2.43E+00  2.00E-03  |    65   |
32 |  2.43E+00  2.00E-04  |    70   | s
33 |  2.43E+00  2.00E-04  |    71   | s
34 |  2.43E+00  3.16E-05  |    78   | s
----------------------------------------
Status: Converged, small trust region size

Value of the objective                    2.43379E+00
Number of objective function evaluations           87
Number of steps                                    34

Primal variables:
idx   Lower bound       Value       Upper bound
1   1.00000E+00    1.00000E+00    3.00000E+00
2  -2.00000E+00   -8.52342E-02    0.00000E+00
3       -inf       4.09304E-01         inf
4   1.00000E+00    1.00000E+00    3.00000E+00
```