E04JEF Example Program Results
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E04J(D|E), Derivative-free solver for bound constrained nonlinear functions
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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
Task = Minimize * 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
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step | obj rho | nf |
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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 |
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step | obj rho | nf |
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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
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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