A Novel Approach to Improve the Performance of Evolutionary Methods for Nonlinear Constrained Optimization

Table 3

The values of mutation rate, red_gen, red_factor, and penalty coefficient for each test problem.

	Mutation rate; (before and after red_gen)	red_gen	red_factor	Penalty coefficient
G1	0.2–0.05	1000	0.05	10
G2	0.2–0.05	1500	0.1	10
G3	0.2–0.1	2000	0.1	1000
G4	0.2–0.05	1000	0.05	1500
G5	—	—	—	—
G6	0.2–0.1	1000	0.02	10000
G7	0.2–0.05	2000	0.05	10
G8	0.2–0.05	1000	0.05	1000
G9	0.2–0.05	1000	0.05	10
G10	0.2–0.1	2500	0.2	15000
G11	0.2–0.05	1000	0.05	10