A Study on Online Scheduling Problem of Integrated Order Picking and Delivery with Multizone Vehicle Routing Method for Online-to-Offline Supermarket

Table 2

The notations used in this paper.

	Set of orders,
	Set of batches,
	Set of delivery routes in zone ,
Z	Set of zones,
	Capacity of the picking device
	Vehicle capacity
	Fixed delivery cost of each route to zone
	Delivery time of route in zone