外文文献及翻译 MATLAB 介绍

外文原文 Introduction to MATLAB MATLAB (short for Matrix Laboratory) is a special-purpose computer program optimized to per engineering and scientific calculations. It started life has a program designed to per matrix mathematics, but over the years it has grown into a flexible computing system capable of solving essentially any technical problem. The MATLAB program implements the MATLAB programming language and provides an extensive library of predefined functions that make technical programming tasks easier and more efficient. This book introduces the MATLAB language and shows how to use it to solve typical technical problems. MATLAB is a huge program, with an incredibly rich variety of functions. Even the basic version of MATLAB without any toolkits is much richer than other technical programming languages. There are more than 1000 functions in the basic MATLAB product alone，and the toolkits extend this capability with many more functions in various specialties. This book makes no attempt to introduce the user to all of MALTLAB′s own tools to locate the correct function for a specific purpose from the enormous choice available. Advantages of MATLAB MATLAB has many advantages compared with conventional computer languages for technical problem solving. Among them are the following: 1. Ease of Use MATLAB is an interpreted language, like many versions of Basic. Like Basic, it is very easy to use. The program can be used as a scratch pad to uate expressions typed at the command line, or it can be used to cute large prewritten programs. Programs may be easily written and modified with the built-in integrated development environment, and debugged with the MATLAB debugger. Because the language is so easy to use, it is ideal for educational use, and for the rapid prototyping of new programs. Many program development tools are provided to make the program easy to use. a workspace browser, and extensive demos. 2. Plat independence MATLAB is supported on many different computer systems, providing a large measure of plat independence. At the time of this writing, the language is supported on windows 9x/NT/2000 and many different versions of UNIX. Programs written on any plat will run on all of the other plats, and data files written on any plat may be read transparently on any other plats, AS a result, Programs written in MATLAB can migrate to new plats when the needs of the user change. 3. Predefined Functions MATLAB comes complete with an extensive library of predefined functions that provide tested and prepackaged solutions to many basic technical tasks. For example, suppose that you are writing a program that must calculate the statistics associated with an data set. In most languages, you would need to write your own subroutines or functions to implement calculations such as the arithmetic mean, standard deviation, median, and so forth. These and hundreds of other functions are built r