A Search History-Driven Offspring Generation Method for the Real-Coded Genetic Algorithm

Table 1

Benchmark functions used in the experiments.

ID	Name	Definition	Range	Label
	Schwefel 2.21			U, S
	Sphere			U, S
	Sum squares			U, S
	Rosenbrock			U, NS
	Schwefel 1.2			U, NS
	Schwefel 2.22			U, NS
	Zakharov			U, NS
	Easom			M, S
	Rastrigin			M, S
	Schwefel 2.26			M, S
	Weierstrass1			M, S
	Ackley 1			M, NS
	Griewank			M, NS
	Salomon			M, NS
	Xin-She Yang 2			M, NS

The last column (Label) represents the characteristics that the functions hold: unimodal (U), multimodal (M), separable (S), and nonseparable (NS).