MATLAB宝典：从入门到精通，MATLAB6及更高版本指南

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"A guide to Matlab for Beginners and Experienced Users" 是一本由MATLAB的发明者编写的使用手册，适合初学者和有经验的用户。书中内容深入浅出，详细介绍了MATLAB的基本命令、编程特性、图形功能和桌面界面，并对SIMULINK进行了简要介绍。在本书中，读者将学到： 1. **MATLAB基础**：书中提供了MATLAB核心命令的简洁解释，这些命令是使用MATLAB进行数学和工程技术计算的基础。对于初学者，这是理解MATLAB工作原理的关键。 2. **MATLAB编程**：除了基础操作，书籍还涵盖了MATLAB的编程方面，包括数据类型、控制结构、函数定义和调试等，使读者能够编写自己的MATLAB脚本和函数。 3. **图形功能**：MATLAB的强大之处在于其强大的图形绘制能力。书中会教导如何利用MATLAB创建二维和三维图形，以及如何定制图形属性，这对于数据分析和可视化极其重要。 4. **桌面界面**：MATLAB的用户界面是其高效工作的重要组成部分。书中详细介绍了如何使用MATLAB的工作空间、编辑器和命令窗口，以提高工作效率。 5. **SIMULINK入门**：SIMULINK是MATLAB的一个附加工具，用于系统仿真。初学者可以了解SIMULINK的基本概念和如何建立模型，这对于系统设计和模拟非常有用。 6. **应用实例**：书中包含了许多实际问题的应用示例，涵盖数学、工程、经济和物理等领域，帮助读者将MATLAB理论知识应用于实际问题中。 7. **文档制作**：此外，书中还教授如何使用MATLAB与Microsoft Word的接口，创建专业、交互式的报告、演示文稿或在线发布材料，提升科研成果的呈现质量。 8. **版本兼容性**：虽然针对MATLAB 6编写，但本书的内容同样适用于早期和后期版本的MATLAB，确保了内容的广泛适用性。无论你是刚刚接触MATLAB的新手，还是希望进一步提升技能的资深用户，这本书都将为你提供宝贵的知识和实用技巧，帮助你在MATLAB的世界中更上一层楼。通过本书的学习，你将不仅能够熟练掌握MATLAB，还能用它解决各种复杂的问题，提升科研和工程实践能力。

Preface

How This Book Is Organized

In writing, we drew on our experience to provide important information as

quickly as possible. The book contains a short, focused introduction to

MATLAB. It contains practice problems (with complete solutions) so you can

test your knowledge. There are several illuminating sample projects that show

you how MATLAB can be used in real-world applications, and there is an en-

tire chapter on troubleshooting.

The core of this book consists of about 75 pages: Chapters 1–4 and the begin-

ning of Chapter 5. Read that much and you’ll have a good grasp of the funda-

mentals of MATLAB. Read the rest — the remainder of the Graphics chapter

as well as the chapters on M-Books, Programming, SIMULINK and GUIs, Ap-

plications, MATLAB and the Internet, Troubleshooting, and the Glossary —

and you’ll know enough to do a great deal with MATLAB.

Here is a detailed summary of the contents of the book.

Chapter 1, Getting Started, describes how to start MATLAB on different

platforms. It tells you how to enter commands, how to access online help, how

to recognize the various MATLAB windows you will encounter, and how to

exit the application.

Chapter 2, MATLAB Basics, shows you how to do elementary mathe-

matics using MATLAB. This chapter contains the most essential MATLAB

commands.

Chapter 3, Interacting with MATLAB, contains an introduction to the

MATLAB Desktop interface. This chapter will introduce you to the basic

window features of the application, to the small program ﬁles (M-ﬁles) that you

will use to make most effective use of the software, and to a simple method

(diary ﬁles) of documenting your MATLAB sessions. After completing this

chapter, you’ll have a better appreciation of the breadth described in the quote

that opens this preface.

Practice Set A, Algebra and Arithmetic, contains some simple problems for

practicing your newly acquired MATLAB skills. Solutions are presented at

the end of the book.

Chapter 4, Beyond the Basics, contains an explanation of the ﬁner points

that are essential for using MATLAB effectively.

Chapter 5, MATLAB Graphics, contains a more detailed look at many of

the MATLAB commands for producing graphics.

Practice Set B, Calculus, Graphics, and Linear Algebra, gives you another

chance to practice what you’ve just learned. As before, solutions are provided

at the end of the book.

xvi

Preface

Chapter 6, M-Books, contains an introduction to the word processing and

desktop publishing features available when you combine MATLAB with

Microsoft Word.

Chapter 7, MATLAB Programming, introduces you to the programming

features of MATLAB. This chapter is designed to be useful both to the novice

programmer and to the experienced FORTRAN or C programmer.

Chapter 8, SIMULINK and GUIs, consists of two parts. The ﬁrst part de-

scribes the MATLAB companion software SIMULINK, a graphically oriented

package for modeling, simulating, and analyzing dynamical systems. Many

of the calculations that can be done with MATLAB can be done equally well

with SIMULINK. If you don’t have access to SIMULINK, skip this part of

Chapter 8. The second part contains an introduction to the construction and

deployment of graphical user interfaces, that is, GUIs, using MATLAB.

Chapter 9, Applications, contains examples, from many different ﬁelds, of

solutions of real-world problems using MATLAB and/or SIMULINK.

Practice Set C, Developing Your MATLAB Skills, contains practice problems

whose solutions use the methods and techniques you learned in Chapters 6–9.

Chapter 10, MATLAB and the Internet, gives tips on how to post MATLAB

output on the Web.

Chapter 11, Troubleshooting, is the place to turn when anything goes wrong.

Many common problems can be resolved by reading (and rereading) the advice

in this chapter.

Next, we have Solutions to the Practice Sets, which contains solutions to

all the problems from the three practice sets. The Glossary contains short de-

scriptions (with examples) of many MATLAB commands and objects. Though

not a complete reference, it is a handy guide to the most important features

of MATLAB. Finally, there is a complete Index.

Conventions Used in This Book

We use distinct fonts to distinguish various entities. When new terms are

ﬁrst introduced, they are typeset in an italic font. Output from MATLAB

is typeset in a monospaced typewriter font; commands that you type for

interpretation by MATLAB are indicated by a boldface version of that font.

These commands and responses are often displayed on separate lines as they

would be in a MATLAB session, as in the following example:

>> x = sqrt(2*pi + 1)

2.697

Preface

xvii

Selectable menu items (from the menu bars in the MATLAB Desktop, ﬁgure

windows, etc.) are typeset in a boldface font. Submenu items are separated

from menu items by a colon, as in File : Open.... Labels such as the names of

windows and buttons are quoted, in a “regular” font. File and folder names,

as well as Web addresses, are printed in a typewriter font. Finally, names

of keys on your computer keyboard are set in a

SMALL CAPS font.

We use four special symbols throughout the book. Here they are together

with their meanings.

☞ Paragraphs like this one contain cross-references to other parts of the book or

suggestions of where you can skip ahead to another chapter.

➱ Paragraphs like this one contain important notes. Our favorite is

“Save your work frequently.” Pay careful attention to these

paragraphs.

✓

Paragraphs like this one contain useful tips or point out features of interest

in the surrounding landscape. You might not need to think carefully about

them on the ﬁrst reading, but they may draw your attention to some of the

ﬁner points of MATLAB if you go back to them later.

Paragraphs like this discuss features of MATLAB’s Symbolic Math

Toolbox, used for symbolic (as opposed to numerical) calculations. If you are

not using the Symbolic Math Toolbox, you can skip these sections.

Incidentally, if you are a student and you have purchased the MATLAB

Student Version, then the Symbolic Math Toolbox and SIMULINK are auto-

matically included with your software, along with basic MATLAB. Caution:

The Student Edition of MATLAB, a different product, does not come with

SIMULINK.

About the Authors

We are mathematics professors at the University of Maryland, College Park.

We have used MATLAB in our research, in our mathematics courses, for pre-

sentations and demonstrations, for production of graphics for books and for

the Web, and even to help our kids do their homework. We hope that you’ll

ﬁnd MATLAB as useful as we do and that this book will help you learn to

use it quickly and effectively. Finally, we would like to thank our editor, Alan

Harvey, for his personal attention and helpful suggestions.

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