Parameter Setting in Evolutionary Algorithms
Parameter Setting in Evolutionary Algorithms
Maintaining Healthy Population Diversity Using Adaptive Crossover, Mutation, and Selection
IEEE Transactions on Evolutionary Computation
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Parameter control mechanisms in evolutionary algorithms (EAs) dynamically change the values of the EA parameters during a run. Research over the last two decades has delivered ample examples where an EA using a parameter control mechanism outperforms its static version with fixed parameter values. However, very few have investigated why such parameter control approaches perform better. In principle, it could be the case that using different parameter values alone is already sufficient and EA performance can be improved without sophisticated control strategies. This paper investigates whether very simple random variation in parameter values during an evolutionary run can already provide improvements over static values.