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1、Unit 6 MATLABThe name MATLAB stands for matrix laboratory, MATLAB was originally written to provide easy access to matrix software developed by the LINPACK and EISPACK projects1. Today, MATLAB uses software developed by the LAPACK and ARPACK projects, which together represent the state-of-the-art in
2、 software for matrix computation.MATLAB has evolved over a period of years with input from many users. It is produced by MathWorks , as shown in Fig.6-1. In university environments, it is the standard instructional tool for introductory and advanced courses in mathematics, engineering, and science.
3、In industry, MATLAB is the tool of choice for high-productivity research, development, and analysis.MATLAB 这个名字代表矩阵实验室 ,MATLAB 起初是为了方便使用由 LINPACK 和 EISPACK 项目组开发的矩阵软件而编写的 1。今天,MATLAB 使用由 LINPACK 和 EISPACK 项目组开发的软件,在矩阵运算软件里,它们共同代表了最先进的。基于 MATLAB 已逐渐发展起来的,由许多用户输入。它是由 MathWorks 公司,如在图 6 - 1 所示。在大学环境中,它
4、是数学,工程和科学的初级和高级课程的标准教学工具。在工 业方面,MATLAB 是选择高生产率的研究,开发工具和分析。MATLAB is an intuitive language and a technical computing environment. With a use community more than 500 000 strong spread throughout industry, government, and academia, MATLAB is the recognized standard worldwide for technical computing2. M
5、ATLAB is used in a variety of application areas, including signal and image processing, control system design, earth and life sciences, finance and economics, and instrumentation. The open architecture makes it easy to use MATLAB and companion products to explore data and create custom tools that pr
6、ovide early insights and competitive advantages. Simulink is a simulation and prototyping environment for modeling, simulating, and analyzing real world, dynamic systems. Simulink provides a block diagram interface that is built on the core MATLAB numeric, graphics, and programming functionality.MAT
7、LAB 是一个直观的语言和技术计算环境。凭借强大的 500 多万个遍布工业,政府利 用社区,学术界,MATLAB 是举世公认的全球技术计算标准2。 MATLAB 是用在应用 领域,包括信号和图像处理,控制系统设计,地球和生命科学,金融和经济品种,检测仪 器。开放式体系结构使得它易于使用 MATLAB 和配套产品,探索数据和和创造提供早期 探索和竞争优势的自定义工具。 动态仿真是仿真和样机建模环境,模拟和分析现实世界, 动态系统。 动态仿真环境提供了一个以核心的 MATLAB 数字,图形建立和编程功能为基 础的框图接口。The MATLAB environment is designed for
8、 interactive or automated computation. Using the built-in math and graphics functions and easy-to-use tools, you can analyze and visualize your data on the fly3. The structured language and programming tools let you save the results of your interactive explorations and develop your own algorithms an
9、d applications.Users working on a broad range of applications with various levels of complexity have found MATLAB to be an effective and flexible environment that grows with them4.在 MATLAB 环境是专为交互式或自动计算。使用内置的数学和图形功能和易于使用的工具, 你可以分析和可视化的飞行数据3。结构化的语言和编程工具,让您保存您的互动探索的 成果和开发自己的算法和应用。工作在各种复杂应用场合的用户们发现 MAT
10、LAB 是一个有效灵活的环境,能随他们一起发展4。With more than 600 mathematical, statistical, and engineering functions, MATLAB gives you immediate access to high-performance numeric computing. The numerical routines are fast, accurate, and reliable. These algorithms, developed by experts in mathematics, are the foundatio
11、n of the MATLAB language. The core math engines incorporate the well-respected LAPACK and BLAS linear algebra subroutine libraries and FFTW signal processing library, which is a C subroutine library for computing the discrete Fourier transform in one or more dimensions , of arbitrary input size ,and
12、 of both real and complex data ,embedding the state-of-the-art in mathematical computation directly into MATLAB.拥有超过 600 数学,统计,工程功能,让您立即访问到 MATLAB 的高性能数字运算。 数值例程快速,准确,可靠。由数学专家开发的这些算法是 MATLAB 语言的基础。核心数 学发动机合并备受尊重的 LAPACK 和 BLAS 线性代数子程序库和 FFTW 的信号处理库, 这是一个 C 子程序库,为计算离散傅立叶变换,在一个或多个维度,任意输入的大小,以 及真实和复杂的数
13、据的情况下,嵌入最先进设备,在数学计算直接到 MATLAB。The math is optimized for matrix and vector operations, so you can use it in place of low-level languages like C and C+, with equal performance but less programming. With an extensive collection of optimized math routines built right in, MATLAB frees engineers and scien
14、tists to focus on their real work, avoiding the time-consuming tasks of looking for, developing, debugging, and maintaining homegrown codes5.数学是优化矩阵和向量操作,因此您可以像使用 C 和 C + +低级语言到位, 具有同等性 能但少编程。随着一个优化的数学例程,广泛收集建权,MATLAB 使工程师和科学家专注 于自己的实际工作,避免耗时寻找开发,调试和维护本土代码5。MATLAB provides many functions for perform
15、ing mathematical operations and analyzing data, including functions for working with:Matrices and linear algebramatrix arithmetic, linear equations, singular values, and matrix factorizationsPolynomials and interpolationstandard polynomial operations such as polynomial roots, evaluation, differentia
16、tion, curve fitting and partial fraction expansionSignal processingdigital filters, fast Fourier transforms (FFTs), and convolution Data analysis and statisticsdescriptive statistics, data pre-processing, regression, curve fitting, data filteringFunction functionsMATLAB functions that work with mathematical functions instead of numeric arrays, including plotting, optimization, zero finding, and numerical integration (quadrature)