Table 3: Obtained statistical results of 2D benchmark problem.

SSWCHSCHSSHS

1. Rosenbrock
Mean
Best
Worst
SD
Feasible solution10010089
Mean iteration 698.68 1,102.25 20,142.62
Iteration SD574.89 1,030.11 1,091.92

2. Branin's function
Mean
Best
Worst
SD
Feasible solution10010089
Mean iteration 211.94 444.13 2,593.45
Iteration SD124.18 225.88 225.88

3. Easom's function
Mean
Best
Worst
SD
Feasible solution676749
Mean iteration 1,501.27 2,461.70 10,817.10
Iteration SD564.37 969.64 1,133.84

4. Goldstein price's function
Mean
Best
Worst
SD
Feasible solution10010040
Mean iteration 257.89423.431,009.08
Iteration SD150.64177.71280.99

5. Six-hump camel back function
Mean
Best
Worst
SD
Feasible solution100100100
Mean iteration 87.34152.80852.06
Iteration SD33.1367.3067.30

“SD” stands for standard deviation.