An Improved Particle Swarm Optimization for the Automobile Spare Part Warehouse Location Problem

Table 4

The transportation cost from warehouses to customers and factories (Yuan/T).

Item	𝑊1	𝑊2	𝑊3	𝑊4
1	45	37.5	28.5	30
2	39	32.25	49.5	27
3	38.25	40.5	30	34.5
4	29.25	30.75	34.5	32.25
5	46.5	40.5	38.25	31.5
6	33.6	35.4	39.6	39
7	42	24	52	24.5
8	28	30	30	36
9	35	16	32	35
10	36	18	38	30
Factory	33.6	300	39.6	240