首先需要对p-median问题有个初步了解，其次结合物流中心选址的目标需要明确，之后写好formulation进行求解。不同数据规模，算法求解方式不同。展开阅读全文
首先需要对p-median问题有个初步了解，其次结合物流中心选址的目标需要明确，之后写好formulation进行求解。
假设给定了设施-需求之间的距离矩阵,照着上面的模型即可写出Leapms模型。 //===//The P-Median Problem//===min sum{j=1,...,J;i=1,...,I}h[i]d[i][j]y[i][j] subject to sum{j=1,...,J}y[i][j]=1|i=1,...,I y[i][j]-x[j]<=0|i=1,...,I...
需求和距离数据保持相同,无论客户和仓库的标签格式如何。 ...(省略符)语法表示数据在外部初始化,即,通过数据文件 (pmedian.dat) 初始化。 P=2; Customers={"Albert","Bob","Chris","Daniel"}; Warehouses={"Santa Clara","San Jose","Berkeley"}; Demand=[100,80,80,70]; Distance= [[ 2 , 10 ...
Research on Logistics Center Location Problem Based on p -Median Model Xu Tong, Huan Liang, Lina Zheng, Yanyan Wang, Rongyu Luo School of Mathematics and Statistics, Northeastern University at Qinhuangdao, Qinhuangdao Hebei Received: May 3rd , 2016; accepted: May 23rd , 2016; published: May ...
Combined with specific cases, a kind of actual location problem is solved to verify the correctness of the model and the feasibility of the algorithm by writing the program corresponding to the algorithm. Keywords Logistics Center, Location, p-Median, Heuristic Algorithm 基于p- 中值模型的物流中心...
Research on Logistics Center Location Problem Based on p -Median Model Xu Tong, Huan Liang, Lina Zheng, Yanyan Wang, Rongyu Luo School of Mathematics and Statistics, Northeastern University at Qinhuangdao, Qinhuangdao Hebei Received: May 3rd , 2016; accepted: May 23rd , 2016; published: May ...
基于p-中值模型的物流中心选址问题研究.pdf,Advances in Applied Mathematics 应用数学进展, 2016, 5(2), 276-281 Published Online May 2016 in Hans. /journal/aam /10.12677/aam.2016.52035 Research on Logistics Center Location Problem Based on p-Median Model Xu T
algorithm.KeywordsLogisticsCenter,Location,p-Median,HeuristicAlgorithm基于p-中值模型的物流中心选址问题研究童旭,梁欢,郑丽娜,王岩焱,罗融宇东北大学秦皇岛分校数学与统计学院,河北秦皇岛收稿日期:2016年5月3日;录用日期:2016年5月23日;发布日期:2016年5月26日摘要针对物流中心选址问题,分析和比较了几种常用的选址方法...
1) p-median problem p-中值问题 1. This paper deals with the uncapacitated facility locationp-median problem. 本文研究了选址问题中无容量限制的p-中值问题,在Rolland等人提出的有效禁忌搜索算法基础上,提出了一种以目标函数变化量作为评价函数的改进禁忌搜索算法,并进行了理论分析,然后将其与有效禁忌搜索算法作...