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Hybrid Grey Wolf Optimizer with Mutation Operator

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Soft Computing for Problem Solving

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 817))

Abstract

Grey Wolf Optimizer (GWO), developed by Mirjalili et al. (Adv Eng Softw 69:46–61, 2014 [1]), is a recently developed nature-inspired technique based on leadership hierarchy of grey wolves. In this paper, Grey Wolf Optimizer has been hybridized with differential evolution (DE) mutation, and two versions, namely DE-GWO and gDE-GWO, have been proposed to avoid the stagnation of the solution. To evaluate the performance of both the proposed versions, a set of 23 well-known benchmark problems has been taken. The comparison of obtained results between original GWO and proposed hybridized versions of GWO is done with the help of Wilcoxon signed-rank test. The results conclude that the proposed hybridized version gDE-GWO of GWO has better potential to solve these benchmark test problems compared to GWO and DE-GWO.

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Correspondence to Shubham Gupta .

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Gupta, S., Deep, K. (2019). Hybrid Grey Wolf Optimizer with Mutation Operator. In: Bansal, J., Das, K., Nagar, A., Deep, K., Ojha, A. (eds) Soft Computing for Problem Solving. Advances in Intelligent Systems and Computing, vol 817. Springer, Singapore. https://doi.org/10.1007/978-981-13-1595-4_75

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