nagcpp::opt::handle_solve_bounds_foas Example
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E04KF, First order method for bound-constrained problems
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Status: converged, an optimal solution was found
Value of the objective 4.00000E-02
Norm of inactive gradient 0.00000E+00
Norm of projected direction 0.00000E+00
Variables:
idx lower bound value upper bound gradient
1 -1.00000E+00 8.00000E-01 8.00000E-01 -4.00000E-01
2 -2.00000E+00 6.40000E-01 2.00000E+00 0.00000E+00
Solution found:
Objective function value at solution: 4.0e-02
Monitoring Information:
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E04KF, First order method for bound-constrained problems
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Begin of Options
Print File = 6 * d
Print Level = 1 * U
Print Options = No * U
Print Solution = All * U
Monitoring File = 50 * U
Monitoring Level = 3 * U
Foas Monitor Frequency = 0 * d
Foas Print Frequency = 5 * U
Infinite Bound Size = 1.00000E+20 * d
Task = Minimize * d
Stats Time = No * d
Time Limit = 1.00000E+06 * d
Verify Derivatives = No * d
Foas Estimate Derivatives = No * d
Foas Finite Diff Interval = 1.05367E-08 * d
Foas Iteration Limit = 10000000 * d
Foas Memory = 11 * d
Foas Progress Tolerance = 1.08158E-12 * d
Foas Rel Stop Tolerance = 1.08158E-12 * d
Foas Restart Factor = 6.00000E+00 * d
Foas Slow Tolerance = 1.01316E-02 * d
Foas Stop Tolerance = 1.00000E-06 * d
Foas Tolerance Norm = Infinity * d
End of Options
Problem statistics
Number of variables 2
Number of free variables 0
Number of fixed variables 0
Number of variables with only lower bound 0
Number of variables with only upper bound 0
Number of variables with bounds 2
Objective type Nonlinear
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iters | objective | optim | dir | progrss | it| step | nf| ng
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0 8.50000E+01 1.80E+02 3.90E+00 1.00E+00 Start 1 1
3 4.00000E+00 0.00E+00 1.80E+00 4.05E+01 NPG 1.00E+00 3 2
5 3.99156E+00 2.80E+00 2.80E+00 7.05E-03 Switch CG 12 3
7 3.97076E+00 5.76E+00 1.79E+00 6.84E-03 CG 6.24E-03 17 6
12 1.97065E+00 6.49E+00 1.88E+00 5.66E-02 LCG 1.75E-01 29 13
17 8.94996E-01 8.97E+00 2.02E+00 3.25E-01 LCG 1.41E+00 39 18
22 2.51003E-01 2.68E+00 1.75E+00 2.54E-01 LCG 3.63E-01 52 27
27 5.37636E-02 3.33E+00 1.80E+00 2.55E-01 LCG 3.25E-01 62 32
28 4.02960E-02 3.44E-01 3.44E-01 1.59E-01 LCG 1.33E-01 65 34
32 4.00000E-02 0.00E+00 0.00E+00 4.68E-03 CG 5.00E-03 75 36
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Status: converged, an optimal solution was found
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Value of the objective 4.00000E-02
Norm of inactive gradient 0.00000E+00
Norm of projected direction 0.00000E+00
Iterations 32
Function evaluations 75
FD func. evaluations 0
Gradient evaluations 36
NPG function calls 18
NPG gradient calls 3
CG function calls 9
CG gradient calls 5
LCG function calls 48
LCG gradient calls 28
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Variables:
idx lower bound value upper bound gradient
1 -1.00000E+00 8.00000E-01 8.00000E-01 -4.00000E-01
2 -2.00000E+00 6.40000E-01 2.00000E+00 0.00000E+00