Effect of spatial locality on an evolutionary algorithm for multimodal optimization

  • Authors:
  • Ka-Chun Wong;Kwong-Sak Leung;Man-Hon Wong

  • Affiliations:
  • Department of Computer Science S Engineering, The Chinese University of Hong Kong, HKSAR, China;Department of Computer Science S Engineering, The Chinese University of Hong Kong, HKSAR, China;Department of Computer Science S Engineering, The Chinese University of Hong Kong, HKSAR, China

  • Venue:
  • EvoApplicatons'10 Proceedings of the 2010 international conference on Applications of Evolutionary Computation - Volume Part I
  • Year:
  • 2010

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Abstract

To explore the effect of spatial locality, crowding differential evolution is incorporated with spatial locality for multimodal optimization. Instead of random trial vector generations, it takes advantages of spatial locality to generate fitter trial vectors. Experiments were conducted to compare the proposed algorithm (CrowdingDE-L) with the state-of-the-art algorithms. Further experiments were also conducted on a real world problem. The experimental results indicate that CrowdingDE-L has a competitive edge over the other algorithms tested.