Seeing the light: artificial evolution, real vision
SAB94 Proceedings of the third international conference on Simulation of adaptive behavior : from animals to animats 3: from animals to animats 3
Simulation of Exaptive Behaviour
PPSN III Proceedings of the International Conference on Evolutionary Computation. The Third Conference on Parallel Problem Solving from Nature: Parallel Problem Solving from Nature
IEEE Transactions on Neural Networks
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We explore a simple genetic algorithm (GA) in which two different fitness functions are combined and used together in an epoch of preadaptation prior to an epoch involving only one of the fitness functions. The effects of preadaptation epoch length on mean best-of-run fitness and success rate statistics are examined and contrasted with those of an otherwise identical GA using no preadaptation. The results show that, for this problem at least, the right amount of preadaptation can be very beneficial, and that both too much and too little preadaptation can be detrimental (as opposed to merely less beneficial).