Comparative Study of Swarm-Based Algorithms for Location-Allocation Optimization of Express Depots

Table 4

The detailed location and allocation plan of ABC using RPK and TES encoding schemes.

Encoding	DC index
RPK	DC #1	0.900	0.500	24.000	[3, 5–7, 9, 15, 18, 19]	24	2.501	1	24.960
	DC #2	0.350	0.100	20.000	[2, 4, 11, 14, 20]	20	1.651	1	20.000
	DC #3	0.249	0.900	9.000	[1, 8, 10, 12, 13, 16, 17]	9	2.051	1	11.723
	Subtotal	N/A	N/A	53.000	N/A	53	6.203	3	56.683
TES	DC #1	0.550	0.951	1.071	17	1	0.001	1	2.031
	DC #2	0.350	0.100	20.001	[2, 4, 11, 14, 20]	20	1.650	1	20.001
	DC #3	0.900	0.500	19.054	[3, 6, 7, 9, 15, 18, 19]	19	2.001	1	19.097
	DC #4	0.399	0.100	5.004	5	5	0.401	1	7.817
	DC #5	0.100	0.850	8.000	[1, 8, 10, 12, 13, 16]	8	1.700	1	10.880
	Subtotal	N/A	N/A	53.130	N/A	53	5.753	5	59.825