Differential evolution algorithm combined with chaotic pattern search. (English) Zbl 1203.65090

Summary: A differential evolution algorithm combined with chaotic pattern search(DE-CPS) for global optimization is introduced to improve the performance of the simple DE algorithm. The pattern search algorithm using chaotic variables instead of random variables is used to accelerate the convergence of solving the objective value. Experiments on 6 benchmark problems, including the morbid Rosenbrock function, show that the novel hybrid algorithm is effective for nonlinear optimization problems in high dimensional space. The comparisons with the standard particle swarm optimization, differential evolution and other hybrid algorithms verify that the DE-CPS algorithm has great superiority.


65K05 Numerical mathematical programming methods
90C30 Nonlinear programming
90C15 Stochastic programming
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