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A Study on Deriving a Method for Chromosome Similarities Suitable for the Search Space
Yoshifumi Banno, Tomohiro Yoshikawa, Hiroharu Kawanaka, Tsuyoshi Shinogi and Shinji Tsuruoka
Department of Electrical and Elecronic Engineering, Faculty of Engineering, Mie University, 1515, Kamihama-cho, Tsu, Mie, 514-8507 Japan
Received:October 11, 2002Accepted:September 27, 2002Published:October 20, 2002
Keywords:evolutionary computation, fitness inference, sequential difference fitness value allocation, chromosome similarities, weights on loci
Abstract
Evolutionary Computations (ECs) are powerful search algorithms for nonlinear problems, and have been. widely studied. Generally, calculation of EC to acquire expected solutions takes much time because they need repeated calculation for search solutions. Hanaki et al. proposed the fitness inference to reduce evaluation time by simplifying calculation of the fitness of chromosomes. In fitness inference, how chromosome similarities is defined is very important corresponding to that of solutions. We studied chromosome similarities considering the solution similarities, and propose new chromosome similarities with the weight on each locus determined by the change of information on the locus using Sequential Difference Fitness Value Allocation. We used benchmark functions to study the feasibility of the proposed method and found that effective weights on loci suitable for the search space are automatically generated, and that the proposed method enables effective fitness inference.
Cite this article as:Y. Banno, T. Yoshikawa, H. Kawanaka, T. Shinogi, and S. Tsuruoka, “A Study on Deriving a Method for Chromosome Similarities Suitable for the Search Space,” J. Adv. Comput. Intell. Intell. Inform., Vol.6 No.3, pp. 135-144, 2002.Data files:
