Spherical evolution for solving continuous optimization problems |
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Affiliation: | 1. School of software, Yunnan University, Kunming 650504, PR China;2. Yunnan key laboratory of software engineering, Yunnan University, Kunming 650504, PR China |
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Abstract: | In these years, more and more nature-inspired meta-heuristic algorithms have been proposed; search operators have been their core problem. The common characteristics or mechanism of search operators in different algorithms have not been represented by a standard format. In this paper, we first propose the concept of a search pattern and a search style represented by a mathematical model. Second, we propose a new search style, namely a spherical search style, inspired by the traditional hypercube search style. Furthermore, a spherical evolution algorithm is proposed based on the search pattern and spherical search style. At the end, 30 benchmark functions of CEC2017 and a real-world optimization problem are tested. Experimental results and analysis demonstrate that the proposed method consistently outperforms other state-of-the-art algorithms. |
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Keywords: | Differential evolution Spherical evolution Search pattern Spherical search style Data clustering optimization |
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