Pseudorandomness in Central Force Optimization
Journal of Advances in Mathematics and Computer Science · pp. 241–264 · Published 29 Apr 2013
10.9734/BJMCS/2013/3381Abstract
Central Force Optimization is a deterministic metaheuristic for an evolutionary algorithm that searches a decision space by flying probes whose trajectories are computed using a gravitational metaphor. CFO benefits from the inclusion of a pseudorandom component (a numerical sequence that is precisely known by specification or calculation but otherwise arbitrary). The essential requirement is that the sequence is uncorrelated with the decision space topology, so that its effect is to pseudorandomly distribute probes throughout the landscape. While this process may appear to be similar to the randomness in an inherently stochastic algorithm, it is in fact fundamentally different because CFO remains deterministic at every step. Three pseudorandom methods are discussed (initial probe distribution, repositioning factor, and decision space adaptation). A sample problem is presented in detail and summary data included for a 23-function benchmark suite. CFO’s performance is quite good compared to other highly developed, state-of-the-art algorithms.
Cited by 38
Jie Liu, Yu-ping Wang · Journal of Applied Mathematics · 2014
Yong Liu, Peng Tian · Applied Soft Computing · 2015
Shanhe Jiang, Yan Wang, Zhicheng Ji · Applied Soft Computing · 2014
Nazmul Siddique, Hojjat Adeli · Nature-Inspired Computing · 2017
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