[ACM Press the 2005 workshops - Washington, D.C. (2005.06.25-2005.06.26)] Proceedings of the 2005 workshops on Genetic and evolutionary computation - GECCO '05 - Learning environment dynamics from self-adaptation
โ Scribed by Boumaza, Amine
- Book ID
- 121299725
- Publisher
- ACM Press
- Year
- 2005
- Weight
- 295 KB
- Category
- Article
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โฆ Synopsis
We present an experimental study that shows a relationship between the dynamics of the environment and the adaptation of strategy parameters. Experiments conducted on two adaptive evolutionary strategies SA-ES and CMA-ES on the dynamic sphere function, show that the nature of the movements of the function's optimum are reflected in the evolution of the mutation steps. Three types of movements are presented: constant, linear and quadratic velocity, in all, the evolution of mutation steps during adaptation reflect distinctly the nature of the movements. Furthermore with CMA-ES, the direction of movement of the optimum can be extracted.
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