Table 2: The results of [14, 15] and PSO-PPA algorithm.

AlgorithmOptimal value searchedThe worst value searchedThe maximum errorSuccess rate of searching

PSO-PPA(1.2239072839, 0.0000734086, 0.0000772042, 0.5019298651)(1.1176276505, 0.0010057554, 1.8089038585, 0.1817841525) 100%

Paper [14](1.224742519, 0.000012080, 0.000018770, 0.500004143)(1.232680714, 0.000079050, 0.089067552, 0.476712152) 80%

Paper [15](1.224744606, 0.000000071, 0.000000052, 0.500000107) / 
/
100%