Table 2.

Algorithm parameter setting and abbreviations of the algorithms used in evaluation.

Abbreviation	Meaning
CE-logistic	Chaotic evolution with logistic map (random initialization within (0, 1], μ = 4).
CE-tent	Chaotic evolution with tent map (random initialization within (0, 1], μ = 2).
CE-Gauss	Chaotic evolution with Gaussian map (random initialization within (0, 1], α = 6.2, β = −0.5).
CE-Hénon-rand	Chaotic evolution with Hénon map (random initialization within (0, 1], a = 1.4, b = 0.3).
CE-Hénon-attrac.	Chaotic evolution with Hénon map (initialization with attractors explained in Figure 2, a = 1.4, b = 0.3).
CE crossover rate	1
DE/best/1/bin	DE with the best individual as base vector.
DE/rand/1/bin	DE with random individual as base vector.
DE scale factor F	1
DE crossover rate	1