如果你也在 怎样代写运筹学Operations Research这个学科遇到相关的难题,请随时右上角联系我们的24/7代写客服。假设检验Hypothesis是假设检验是统计学中的一种行为,分析者据此检验有关人口参数的假设。分析师采用的方法取决于所用数据的性质和分析的原因。假设检验是通过使用样本数据来评估假设的合理性。
运筹学(Operation)是近代应用数学的一个分支。它把具体的问题进行数学抽象,然后用像是统计学、数学模型和算法等方法加以解决,以此来寻找复杂问题中的最佳或近似最佳的解答。
二战中运筹学的应用
在二战时期,作战研究被定义为 “一种科学方法,为执行部门提供有关其控制的行动的决策的量化依据”。它的其他名称包括作战分析(英国国防部从1962年开始)和定量管理。
在第二次世界大战期间,英国有近1000名男女从事作战研究。大约有200名作战研究科学家为英国军队工作。
帕特里克-布莱克特在战争期间为几个不同的组织工作。战争初期,在为皇家飞机研究所(RAE)工作时,他建立了一个被称为 “马戏团 “的团队,帮助减少了击落一架敌机所需的防空炮弹数量,从不列颠战役开始时的平均超过20,000发减少到1941年的4,000发。
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我们提供的假设检验Hypothesis及其相关学科的代写,服务范围广, 其中包括但不限于:
- 商业分析 Business Analysis
- 计算机科学 Computer Science
- 数据挖掘/数据科学/大数据 Data Mining / Data Science / Big Data
- 决策分析 Decision Analytics
- 金融工程 Financial Engineering
- 数据预测 Data Forecasting
- 博弈论 Game Theory
- 地理/地理信息科学 Geography/Geographic Information Science
- 图论 Graph Theory
- 工业工程 Industrial Engineering
- 库存控制 Inventory control
- 数学建模 Mathematical Modeling
- 数学优化 Mathematical Optimization
- 概率和统计 Probability and statistics
- 排队论 Queueing theory
- 社交网络/交通预测模型 Social network/traffic prediction modeling
- 随机过程 Stochastic processes
- 供应链管理 Supply chain management
运筹学代写
数学代写|运筹学作业代写OPERATIONS RESEARCH代考|SUZUKI MOTOR CORPORATION
Suzuki Motor Corporation is a Japanese multinational company involved in designing, development, production and selling of various automobiles ranging from fourwheel vehicles such as cars, two wheelers like motorcycles and heavy vehicles like trucks, etc. It operates manufacturing plants in more than 20 countries with a number of suppliers from across the world. In one of its divisions involving manufacturing of emblems for its different vehicles, the company decided to increase capacity by installing another production line dedicated to the production of high-quality emblems for luxury cars. Such an addition demanded expansion or modification of facility. Expansion is a highly costly and time-consuming process, so modification of the existing layout was finalized.
Problem identification and formulation required collection of data such as dimensions of shop floor, each work centre, equipment and machinery involved. Relation between operations was judged by observing distance data between processes. Threadbare analysis was performed to check the correctness of data, and various alternative solutions were forwarded. Alternatives involved altering the distance between various workstations and calculating distance between them for each alternative. The aim of alternative layouts was to reduce distance between the processes for the whole facility. Layout alternatives were evaluated based on the criteria of cost of change and overall material flow. Mathematical models were developed to evaluate the alternatives. OR models, such as linear programming and transportation models, were applied to reach an accurate decision. By applying these models, the management was able to decide on an alternative which reduced material flow by $50 \%$. In addition, the cost of change was found to be minimum, making the solution to be optimal and feasible.
When the mathematical results were implemented, they produce effective outcomes, as the company was saved from the expensive proposition of expansion. Rather, major modifications to the existing layout fulfilled the objective. This case is intended to highlight the importance of OR methods in solving real problems quantitatively.
数学代写|运筹学作业代写OPERATIONS RESEARCH代考|GLOSSARY
- Operation: process of doing work.
- Process: combination of activities arranged in a technological sequence for conversion of input resources into desired output.
- Problem formulation: involves identification of the problem, selection of possible alternatives to the problem, and choosing criterion or criteria to examine those alternatives.
- Problem solving: involves analysing the alternatives through mathematical model development and solving the model by applying proper OR techniques to reach a feasible and optimum solution.
- Model: as real as possible representative of actual problem.
- Objective function: aim of problem is either to maximize or minimize.
- Constraints: limitations within which the best possible solution has to be achieved.
- Optimal solution: the best possible solution.
- Feasible solution: fulfils all the constraints and does not violate them.
- Unconstrained optimization: problems without constraints and can apply unlimited resources.
运筹学代考
数学代写|运筹学作业代写OPERATIONS RESEARCH代考|SUZUKI MOTOR CORPORATION
Suzuki Motor Corporation 是一家从事设计、开发、生产和销售各种汽车的日本跨国公司,包括轿车等四轮车、摩托车等两轮车和卡车等重型车辆等,在全球 20 多个国家设有制造工厂。来自世界各地的许多供应商。在其涉及为不同车辆制造标志的一个部门中,该公司决定通过安装另一条生产线来提高产能,该生产线专门用于生产豪华汽车的高品质标志。这样的添加需要对设施进行扩展或修改。扩建是一个成本高昂且耗时的过程,因此最终确定了对现有布局的修改。
问题识别和制定需要收集诸如车间尺寸、每个工作中心、所涉及的设备和机械等数据。通过观察进程之间的距离数据来判断操作之间的关系。进行了Threadbare分析以检查数据的正确性,并转发了各种替代解决方案。替代方案涉及改变各个工作站之间的距离并为每个替代方案计算它们之间的距离。替代布局的目的是减少整个设施的流程之间的距离。布局备选方案是根据变更成本和整体材料流的标准进行评估的。开发了数学模型来评估替代方案。OR 模型,例如线性规划和运输模型,被应用以做出准确的决定。通过应用这些模型,管理层能够决定一个替代方案,通过50%. 此外,发现变更成本最低,使解决方案成为最佳且可行的。
当数学结果被实施时,它们产生了有效的结果,因为公司从昂贵的扩张提议中解脱出来。相反,对现有布局的重大修改实现了目标。本案例旨在强调 OR 方法在定量解决实际问题中的重要性。
数学代写|运筹学作业代写OPERATIONS RESEARCH代考|GLOSSARY
- 操作:做工作的过程。
- 过程:按技术顺序安排的活动组合,用于将投入资源转化为期望的产出。
- 问题表述:涉及识别问题、选择问题的可能替代方案,以及选择一个或多个标准来检查这些替代方案。
- 问题解决:涉及通过数学模型开发分析备选方案,并通过应用适当的 OR 技术解决模型以达到可行和最佳的解决方案。
- 模型:尽可能真实地代表实际问题。
- 目标函数:问题的目标是最大化或最小化。
- 约束:必须达到最佳解决方案的限制。
- 最佳解决方案:可能的最佳解决方案。
- 可行的解决方案:满足所有约束并且不违反它们。
- 无约束优化:没有约束的问题,可以应用无限的资源。