8 Current Shipping Plan Warehouse From To Sacramento Salt Lake City Rapid City Albuquerque Cannery Bellingham 75 Eugene 5 65 55 0 Albert Lea 0 15 85 Total shipping cost=75($464)+ 5($352)+65$416)+55($690)+ 15($388)+85(S685)=$165,595 Copyright2007c深圳大学管理学院运筹学1l
Copyright 2007 © 深圳大学管理学院 运筹学 11 Current Shipping Plan Total shipping cost = 75($464) + 5($352) + 65($416) + 55($690) + 15($388) + 85($685) = $165,595
e P&T Company Distribution Problem 斌建立该网络 配送问题的激 学模型? Copyrigh2007c深圳大学管理学院运筹学12
Copyright 2007 © 深圳大学管理学院 运筹学 12 P&T Company Distribution Problem 试建立该网络 配送问题的数 学模型？
e输间题 运输问题关心的是以最 的总配送成本把出发 她的任何产品运送到每 个国的地 Copyrigh2007c深圳大学管理学院运筹学13
Copyright 2007 © 深圳大学管理学院 运筹学 13 运输问题 运输问题关心的是以最 低的总配送成本把出发 地的任何产品运送到每 一个目的地
Terminology for a Transportation Problem P&T Company Problem General model Truckloads of canned peas Units of a commodity Canneries Se ources Warehouses Destinations Output from a cannery Supply from a source Allocation to a warehouse Demand at a destination Shipping cost per truckload from Cost per unit distributed from a cannery to a warehouse a source to a destination Copyrigh2007c深圳大学管理学院运筹学14
Copyright 2007 © 深圳大学管理学院 运筹学 14 Terminology for a Transportation Problem
Characteristics of Transportation Problems ● The Requirements Assumption(需求假设) Each source has a fixed supply of units, where this entire supply must be distributed to the destinations.(每一个出发 地都有一个固定的供应量,所有的供应量都必 须配送到目的地) o Each destination has a fixed demand for units, where this entire demand must be received from the sources.(每一个目的地都 有一个固定的需求量,所有的需求量都必须由 出发地满足) Copyrigh2007c深圳大学管理学院运筹学15
Copyright 2007 © 深圳大学管理学院 运筹学 15 Characteristics of Transportation Problems The Requirements Assumption (需求假设) ⚫ Each source has a fixed supply of units, where this entire supply must be distributed to the destinations. (每一个出发 地都有一个固定的供应量，所有的供应量都必 须配送到目的地) ⚫ Each destination has a fixed demand for units, where this entire demand must be received from the sources. (每一个目的地都 有一个固定的需求量，所有的需求量都必须由 出发地满足)