Year 2020, Volume 8 , Issue 1, Pages 43 - 58 2020-06-30

Machine Coded Compact Genetic Algorithms for Real Parameter Optimization Problems

Mehmet Hakan SATMAN [1] , Emre AKADAL [2]


In this paper, we extend the Compact Genetic Algorithm (CGA) for real-valued optimization problems by dividing the total search process into three stages. In the first stage, an initial vector of probabilities is generated. The initial vector contains the probabilities of bits having 1 depending on the bit locations as defined in the IEEE-754 standard. In the second stage, a CGA search is applied on the objective function using the same encoding scheme. In the last stage, a local search is applied using the result obtained by the previous stage as the starting point. A simulation study is performed on a set of well-known test functions to measure the performance differences. Simulation results show that the improvement in search capabilities is significant for many test functions in many dimensions and different levels of difficulty.

Optimization, genetic algorithms, evolutionary optimization, simulations
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Primary Language en
Subjects Operations Research and Management Science
Journal Section Articles
Authors

Orcid: 0000-0002-9402-1982
Author: Mehmet Hakan SATMAN
Institution: İSTANBUL ÜNİVERSİTESİ, İKTİSAT FAKÜLTESİ, EKONOMETRİ BÖLÜMÜ
Country: Turkey


Orcid: 0000-0001-6817-0127
Author: Emre AKADAL (Primary Author)
Institution: İSTANBUL ÜNİVERSİTESİ, REKTÖRLÜK, ENFORMATİK BÖLÜMÜ
Country: Turkey


Dates

Application Date : June 12, 2019
Acceptance Date : June 5, 2020
Publication Date : June 30, 2020

APA Satman, M , Akadal, E . (2020). Machine Coded Compact Genetic Algorithms for Real Parameter Optimization Problems . Alphanumeric Journal , 8 (1) , 43-58 . DOI: 10.17093/alphanumeric.576919