Gene expression programming with DAG chromosome

Authors:
Hui-yun Quan;Guangyi Yang
Affiliations:
College of Mathematics and Computer Science, Hunan Normal University, Changsha, China;Hunan College of Information, Changsha, China
Venue:
ISICA'07 Proceedings of the 2nd international conference on Advances in computation and intelligence
Year:
2007

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Abstract

GEP(Gene Expression Programming) is applied to comprehensive fields such as Symbolic Regression, Parameter Optimization, Cellular Automate etc[2].With Kara-style chromosome, GEP can only express tree phynotype. This limits the expressiveness of the program that can be evolved. In this paper, a DAG(Directed Acyclic Graph) chromosome is integrated into GEP without increasing the computational complexity of fitness evaluation while improving the expressiveness of gene expression programming.