Improving Vector Evaluated Particle Swarm Optimisation by Incorporating Nondominated Solutions

Table 1

Algorithm performance tested on ZDT1 problem.

Measure	VEPSO	VEPSOnds1	VEPSOnds2
NS
Ave.	30.220000	100.000000	99.790000
SD	5.697031	0.000000	1.458483
Min.	16.000000	100.000000	86.000000
Max.	44.000000	100.000000	100.000000
GD
Ave.	0.295865	0.022637	0.002194
SD	0.051645	0.014201	0.003505
Min.	0.139491	0.000283	0.000169
Max.	0.432478	0.073477	0.019113
SP
Ave.	0.834481	0.729350	0.571807
SD	0.039111	0.160298	0.248304
Min.	0.705367	0.322322	0.168144
Max.	0.917087	1.219625	1.127141
HV
Ave.	0.001886	0.428153	0.631216
SD	0.010058	0.113432	0.046091
Min.	—	0.185313	0.438793
Max.	0.087426	0.659603	0.661363