An introduction to matlab

Krister Ahlersten
An Introduction to Matlab
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2

Krister Ahlersten
An Introduction to Matlab
Download free eBooks at bookboon.com
3

An Introduction to Matlab
© 2012 Krister Ahlersten &
bookboon.com
ISBN 978-87-403-0283-7
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An Introduction to Matlab
4
Contents
Contents
An Introduction to Matlab 9
1 Introduction 10
1.1
1.1 1.1 Preliminaries and a map of the book 10
Features of Matlab 12
2 e Desktop 13
3 Some basics of using Matlab 15
3.1 e order of precedence 16
3.2 Some algebraic functions, special characters, and tips 17
3.3 3.3 e syntax of functions 19

3.4 Variables 20
3.5 Dierent types of variables 21
3.6 A note on interpretation and error messages 24
3.7 How Matlab “searches for meaning” 25
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An Introduction to Matlab
5
Contents
4 Matrices, vectors and scalars 27
4.1 Creating matrices 28
4.2 Addressing parts of matrices 31
4.3 Changing parts of a matrix 36
4.4 Some special commands for handling matrices 38
4.5 e Workspace Browser and the Variable Editor 39

4.6 More about matrices 41
5 Mathematical operations with matrices 42
5.1 Functions that operate element-by-element 42
5.2 Elementary mathematical functions that operate columnwise 44
5.3 Matrix algebra 45
5.4 Solving systems of linear equations 50
5.5 Finding linear regression coecients 51
6 Importing and exporting data 53
6.1 e Current Folder 53
6.2 Problems with importing formatted data 54
6.3 Preparing data to import 54
6.4 Copy-and-paste importing 55
6.5 Importing using the Import Wizard 55
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