Research Article

Analysis of Population Diversity of Dynamic Probabilistic Particle Swarm Optimization Algorithms

Table 3

The DiversityC statistics of four DPPSO variants.

ā€‰ Algorithm Min Median Mean S.D. Max

Sphere Gaussian 1.63950 2.32273 2.17125 0.23666 2.45496
Cauchy 0.56561 0.73207 0.77367 0.22243 2.43161
Hyperbolic secant 2.24141 2.31036 2.31102 0.02392 2.45377
Logistic 2.25135 2.31901 2.31947 0.02094 2.45192

Schaffer F6 Gaussian 0.77439 1.5482 1.58883 0.57343 2.48027
Cauchy 0.85234 1.11183 1.21933 0.31215 2.46800
Hyperbolic secant 0.73837 1.97228 1.76815 0.55954 2.46817
Logistic 0.64563 1.53577 1.56642 0.63588 2.47346

Rosenbrock Gaussian 0.94370 1.64080 1.72126 0.60371 2.43094
Cauchy 0.41408 0.75121 0.74805 0.15440 2.42691
Hyperbolic secant 1.65444 2.31035 2.26197 0.14385 2.44611
Logistic 1.73379 2.34556 2.31043 0.10331 2.42665

Griewank Gaussian 0.58766 0.73130 1.18115 0.65682 2.44174
Cauchy 0.58787 0.76279 0.85350 0.28366 2.43911
Hyperbolic secant 1.49052 2.00325 1.93756 0.37049 2.43946
Logistic 1.11950 1.18225 1.47494 0.49887 2.45540