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LECTURE 01

# LECTURE 01 - Lecture 1 MEEN 357 Engineering Analysis for...

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Lecture 1 MEEN 357 Engineering Analysis for Mechanical Engineers 1 Lecture-01-MEEN357-2009.doc RMB Lecture 1 Introduction to MATLAB 1,2 Chapter 2 of the textbook. MATLAB is a high-performance language for technical computing. It allows scientists and engineers to use matrix-based techniques to solve problems without having to write in more cumbersome language such as C and FORTRAN. It integrates computation, visualization, and programming in an easy-to-use environment where problems and solutions are expressed in familiar mathematical notation. The MATLAB programming language is intuitive and very straightforward to use since almost every data object is assumed to be an array that does not require dimensioning. This allows one to solve many technical computing problems, especially those with matrix and vector formulations, in a fraction of the time it would take to write a program in a scalar non- interactive language such as C or Fortran. The MATLAB System has the following components: 1. Development Environment , which contains the tools that enable users to develop programs. 2. Mathematical Function Library , which contains algorithms to handle some simple complex mathematical operations. 3. MATLAB Language , which is a highly flexible programming language, offering object-oriented programming features. 4. Graphics , which can be used to plot graphs and data visualization in two and three dimensional space. 5. Application Programming Interface , which enables MATLAB to work with programs written in other programming languages. Starting MATLAB Start MATLAB by double-clicking the MATLAB shortcut icon on the Windows desktop. MATLAB Desktop When you start MATLAB, the MATLAB desktop (Development Environment) appears, containing tools (graphical user interfaces) for managing files, variables, and applications associated with MATLAB. You can modify the desktop configuration to best meet your needs. The different tools are described below along with their functionalities: 1 The INTRODUCTION TO MATLAB notes were prepared by Dr. Waqar Malik for use in MEEN 357. 2 The MATLAB website contains excellent tutorials for students trying to learn MATLAB. The link is http://www.mathworks.com/academia/student_center/tutorials/launchpad.html . A Google search on the word MATLAB will produce an enormous collection of other resources that can be used to learn this program.

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