Order Fulfillment Decision under Multiwarehouse Collaborative Delivery

Table 2

Coordinate point of delivery station.

Point label	1	2	3	4	5	6	7
x (km)	30	10	45	35	60	5	65
y (km)	70	5	75	25	55	60	45
Point label	8	9	10	11	12	13	14
x (km)	15	55	100	80	50	90	70
y (km)	30	20	90	50	100	15	65
Point label	15	16	17	18	19	20
x (km)	20	75	95	85	25	40
y (km)	80	40	10	95	85	35