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Dakota Reference Manual
Version 6.15
Explore and Predict with Confidence
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Prioritize feasible designs
Alias: none
Argument(s): none
This replacement operator will always prefer a more feasible design to a less feasible one. Beyond that, it favors solutions based on an assigned fitness value which must have been installed by the weighted sum only fitness assessor.
The favor_feasible
replacement type first considers feasibility as a selection criteria. If that does not produce a "winner" then it moves on to considering fitness value. Because of this, any fitness assessor used with the favor_feasible
selector must only account objectives in the creation of fitness. Therefore, there is such a fitness assessor and it's use is enforced when the favor_feasible
selector is chosen. In that case, and if the output level is set high enough, a message will be presented indicating that the weighted_sum_only
fitness assessor will be used.