Table 2: Numerical results obtained from the proposed RGA-PSO algorithm for solving 14 UGO problems.

TP numberFunction nameGlobal minimumRequired accuracySuccess rate (%) MCCT (sec.)

1SHCB−1.0316 100−1.0316−1.0316−1.03160.0000000040.56
2GP3 1003330.0000000038.29
3ES−1 100 −1−1−10.0000000041.29
4B20 1000.000000000.000000000.000000000.0000000040.26
5DJ0 1000.00000000 40.50
6Booth0 1000.000000000.000000000.000000000.0000000037.57
7RC5/ 1000.397887350.397887350.397887350.0000000040.97
8RA−2 100 −2−2−20.0000000039.31
9RS20 1000.00000000 37.47
10RS50 100 306.15
11SH−186.7309 100−186.7309−186.7309−186.73090.0000000054.11
12ZA20 1000.000000000.000000000.000000000.0000000040.74
13ZA50 100 0.00000000 157.09
14ZA100 100 194.73

: the objective value obtained using the best RGA-PSO solution.
: mean objective value obtained using the RGA-PSO solutions.
: the worst objective value obtained using the worst RGA-PSO solution.