The Optimization Model of Earthquake Emergency Supplies Collecting with the Limited Period and Double-Level Multihub

Table 3

Each unit collecting cost of each unit’s emergency supplies under the hub network.

	2	1	3	2	1.5	3	1	2
	3	2	4	1.5	1	2.1	2	1.4
	0.5	1	0.7	3.2	1.4	1.2	0.7	1.8
					—	—	—	—
	0.6	0.2	1	0.8	—	—	—	—
	1	0.7	0.9	1.7	—	—	—	—
	0.8	1.2	0.7	1	—	—	—	—

Note: the stranded costs are 0.1 for unit emergency supplies in the distribution center.