### 计算机代写|机器学习代写machine learning代考|COMP5318

statistics-lab™ 为您的留学生涯保驾护航 在代写机器学习 machine learning方面已经树立了自己的口碑, 保证靠谱, 高质且原创的统计Statistics代写服务。我们的专家在代写机器学习 machine learning代写方面经验极为丰富，各种代写机器学习 machine learning相关的作业也就用不着说。

• Statistical Inference 统计推断
• Statistical Computing 统计计算
• (Generalized) Linear Models 广义线性模型
• Statistical Machine Learning 统计机器学习
• Longitudinal Data Analysis 纵向数据分析
• Foundations of Data Science 数据科学基础

## 计算机代写|机器学习代写machine learning代考|Container liner shipping

A majority of cargoes in supermarkets, such as fruits and vegetables, kitchen appliances, furniture, garments, meats, fish, dairy products, and toys, are transported in containers by ship. Containers are usually expressed in terms of TEUs, a box that is 20 feet long $(6.1 \mathrm{~m})$. Throughout this book, unless otherwise specified, we use “TEU” to express “the number of containers” or “the volume of containers.”

Containers are transported by ship on liner services, which are similar to bus services. Figure $1.1$ is the Central China $2(\mathrm{CC} 2)$ service operated by Orient Overseas Container Line (OOCL), a Hong Kong-based shipping company. We call it a service, a route, or a service route. A route is a loop, and the port rotation of a route is the sequence of ports of call on the route. Any port of call can be defined as the first port of call. For example, if we define Ningbo as the first port of call, then Shanghai is the second port of call, and Los Angeles is the third port of call. We can therefore represent the port rotation of the route as follows:
Ningbo (1) $\rightarrow$ Shanghai $(2) \rightarrow$ Los Angeles $(3) \rightarrow$ Ningbo (1)

Note that on a route, different ports of call may be the same physical port. For example, the Central China 1 (CC1) service of OOCL shown in Figure $1.2$ has the port rotation below:

Shanghai (1) $\rightarrow$ Kwangyang (2) $\rightarrow$ Pusan (3) $\rightarrow$ Los Angeles (4) $\rightarrow$ Oakland $(5) \rightarrow$ Pusan $(6) \rightarrow$ Kwangyang $(7) \rightarrow$ Shanghai (1)

Both the second and the seventh ports of call are Kwangyang, and both the third and the sixth ports of call are Pusan.

A leg is the voyage from one port of call to the next. Leg $i$ is the voyage from the $i$ th port of call to port of call $i+1$. The last leg is the voyage from the last port of call to the first port of call. On CCl, the second leg is the voyage from Kwangyang (the second) to Pusan (the third), and the seventh leg is the voyage from Kwangyang (the seventh) to Shanghai (the first).

The rotation time of a route is the time required for a ship to start from the first port of call, visit all ports of call on the route, and return to the first port of call. As can be read from Figures $1.1$ and 1.2, the rotation time of $\mathrm{CC} 2$ is 35 days*, and the rotation time of $\mathrm{CC} 1$ is 42 days. Each route provides a weekly frequency, which means that each port of call is visited on the same day every week. Therefore, a string of five ships are deployed on $\mathrm{CC} 2$, and the headway between two adjacent ships is 7 days. These five ships usually have the same TEU capacity and other characteristics. Unless otherwise specified, we assume weekly frequencies for all routes.

## 计算机代写|机器学习代写machine learning代考|Key issues in maritime transport

Maritime transport is a highly globalized industry in terms of operation and management. For ship operation, ocean-going vessels sail on the high seas from the origin port in one country/region to the destination port in another country/region. For ship management, parties responsible for ship ownership, crewing, and operating may locate in different countries and regions. Even the country of registration, i.e., ship flag state, may not have a direct link and connection with a ship’s activities as the ship may not frequently visit the ports belonging to its flag state. For inland countries such as Mongolia, the ships registered under it never visit its ports. Such complex and disintegrated nature of the shipping industry makes it hard to control and regulate international shipping activities, and thus pose danger to maritime safety, the marine environment, and the crew and cargoes carried by ocean-going vessels.
Shipping is one of the world’s most dangerous industries due to the complex and ever-changing environment at sea, the dangerous goods carried, and the difficulties in search and rescue. Safety at sea is always put at the highest priority in ship operation and management. It is widely believed that the most effective and efficient way of improving safety at sea is to develop international regulations that should be followed by all shipping nations [1]. A unified and permanent international body was expected to be established for regulation and supervision by several nations from the mid-19th century onward, and the hopes came true after the International Maritime Organization (IMO, whose original name was Inter-Governmental Maritime Consultative Organization) was established at an international conference in Geneva held in 1948. Through hard efforts of all parties, the members of IMO met for the first time in 1959, one year after the IMO convention came into force. The IMO’s task was to adopt a new version of the most important conventions on maritime safety, i.e., the International Convention for the Safety of Life at Sea, which specifies minimum safety standards for ship construction, equipment, and operation. It covers comprehensive aspects of shipping safety, including vessel construction, fire safety, life-saving arrangements, radio communications, navigation safety, cargo carriage, dangerous goods transporting, the mandatory of the International Safety Management (ISM) code, verification of compliance, and measures for specific ships, and is constantly amended [2]. The Maritime Safety Committee is responsible for every aspect of maritime safety and security, and it is the highest technical body of the IMO.

# 机器学习代考

## 计算机代写|机器学习代写machine learning代考|Container liner shipping

Shanghai (1) →光阳 (2)→滏山 (3)→洛杉矶 (4)→奥克兰 $(5) \rightarrow$ 釜山(6) →光阳(7) $\rightarrow$ Shanghai (1)

## 有限元方法代写

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## MATLAB代写

MATLAB 是一种用于技术计算的高性能语言。它将计算、可视化和编程集成在一个易于使用的环境中，其中问题和解决方案以熟悉的数学符号表示。典型用途包括：数学和计算算法开发建模、仿真和原型制作数据分析、探索和可视化科学和工程图形应用程序开发，包括图形用户界面构建MATLAB 是一个交互式系统，其基本数据元素是一个不需要维度的数组。这使您可以解决许多技术计算问题，尤其是那些具有矩阵和向量公式的问题，而只需用 C 或 Fortran 等标量非交互式语言编写程序所需的时间的一小部分。MATLAB 名称代表矩阵实验室。MATLAB 最初的编写目的是提供对由 LINPACK 和 EISPACK 项目开发的矩阵软件的轻松访问，这两个项目共同代表了矩阵计算软件的最新技术。MATLAB 经过多年的发展，得到了许多用户的投入。在大学环境中，它是数学、工程和科学入门和高级课程的标准教学工具。在工业领域，MATLAB 是高效研究、开发和分析的首选工具。MATLAB 具有一系列称为工具箱的特定于应用程序的解决方案。对于大多数 MATLAB 用户来说非常重要，工具箱允许您学习应用专业技术。工具箱是 MATLAB 函数（M 文件）的综合集合，可扩展 MATLAB 环境以解决特定类别的问题。可用工具箱的领域包括信号处理、控制系统、神经网络、模糊逻辑、小波、仿真等。