The Fourth-Party Logistics Routing Problem Using Ant Colony System-Improved Grey Wolf Optimization

Table 14

Comparison of algorithms of different node cases.

Example	Algorithm
I	ACS-IGWO	0.28	−0.61	−0.01	0.01
	ACS-GWO	0.28	−0.62	−0.01	0.03
	ACS	0.28	−0.62	−0.03	0.04
	D-ACS	0.28	−0.61	−0.04	0.05
II	ACS-IGWO	0.30	−0.51	−0.02	0.12
	ACS-GWO	0.30	−0.51	−0.04	0.23
	ACS	0.28	−0.67	−0.02	0.85
	D-ACS	0.30	−0.53	−0.05	0.14
III	ACS-IGWO	0.30	−0.71	−0.01	0.12
	ACS-GWO	0.30	−0.73	−0.01	0.32
	ACS	0.25	−0.82	−0.06	1.76
	D-ACS	0.30	−0.73	−0.03	0.30