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An active--set trust-region method for bound-constrained nonlinear optimization without derivatives applied to noisy aerodynamic design problems

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Academic year: 2021

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Figure 3.1: Minimization of a quadratic model inside the ℓ 2 -norm constraint and the bounds s trunc = [ − 0.82, − 0.5] would be returned by the solver and the corresponding model decrease would give q(s) = − 0.3469 whereas on the right-handside of Figure
Figure 3.3: Comparison of local solvers in BCDFO+ on unconstrained CUTEr problems
Table B.4 in the appendix contains the detailed results for each of the three solvers for the various accuracy levels.
Figure 3.10: Comparison of BCDFO+, BC-DFO and NEWUOA on unconstrained CUTEr problems (4 digits of accuracy required in final function value)
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