Simulation Model in Operations Research

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课程名称:运筹学中的仿真模型 课程概述: 本课程介绍仿真技术,这是一种通过建立计算机化的数学模型来评估不同行动方案的技术。通过对模型进行操作和模拟,可以代表实际决策在不确定条件下的表现。当许多变量的数值未知或部分已知,且难以确定这些数值时,仿真作为一种解决决策问题的有效方法,通过设计、构建和操纵真实系统的模型来解决业务问题。 仿真是一种“量化技术,利用计算机化的符号模型来表示实际决策在不确定性下的情况,从而根据事实和假设确定多个可能的行动方案。” 仿真可能是分析复杂系统中最重要的一种技术,尤其是在解析方法难以应用或未知的情况下。其本质上是通过模仿过程来操纵模型,通常涉及大量的计算。当不存在解析求解的数学模型时,仿真方法可以帮助我们获得问题的数值解。 仿真模型通常包含两个基本阶段:初步工作表和最终工作表。 本课程将使学生学习: * 仿真的概念 * 蒙特卡洛方法机制 * 运用仿真解决排队问题 * 运用仿真解决库存问题 * 运用仿真解决金融问题 * 运用仿真解决维护问题

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Simulation is a technique used for evaluating alternative course of action based upon facts and assumption with a computerized mathematical model in order to represent actual decision making under conditions of uncertainty. Simulation is a method of solving decision making problem by designing ,constructing and manipulating a model of the real system. It is a useful technique for solving a business problem where many values of the variables are not known or partly known in advance and there is no easy way to find these values. Simulation may be defined as a "quantitative technique that uses a computerized symbolic model in order to represent actual decision making under uncertainty for determining alternative alternative courses of action based upon facts and assumptions."Simulation is probably the most important technique used in analyzing a number of complex systems where analytical methods are either difficult or not known.Basically it is a technique of manipulating a model through a process of imitation.It normally involves a large number of computations.Whenever mathematical models for getting an analytical solution does not exist , simulation method enables us to obtain a numerical solution to the problem. A simulation model may be considered to be to be consisting of two basic phases , namely , Preliminary Worksheet and Final Worksheet. In this course , the students will learn:Concept of SimulationMechanism of Monte Carlo MethodSolution of Queuing Problems using SimulationSolution of Inventory Problems using SimulationSolution of Financial Problems using SimulationSolution of Maintenance Problems using Simulation

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