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