Contents 1 Introduction 2 Getting Started 3 Getting Help from Within MATLAB 4 MATLAB Variables -Scalars, Vectors and Matrices 4.1 Complex number operations 4.2 Generating vectors 4.3 Accessing vector elements 5 Matrix Operations 5.1 Arithmetic matrix operations 334445556677 5.2 Relational operations 5.3 Flow control operations 5.4 Math functions 6 MATLAB Files 6.1 M-Files 6.1.1 Scripts 6.1.2 Functions 6.2 Mat-Files 8899 6.3 Postscript Files 6.4 Diary Files 7 Plotting 10 7.1 Simple plotting commands 11 7.2 Customization of plot 8 Signals and Systems Commands 8.1 Polynomials 8.2 Laplace and Z Transforms 8.3 Frequency responses 11233 8.4 Fourier transforms and filterin 9 Examples of Usage 13 9.1 Find pole-zero diagram, bode diagram, step response from system function. 13 9.1.1 Simple solution 9.1.2 Customized solution 9.2 Locus of roots of a polynomial 9.3 Response of an LTI system to an input 10 Acknowledgement 688Contents 1 Introduction 3 2 Getting Started 3 3 Getting Help from Within MATLAB 4 4 MATLAB Variables — Scalars, Vectors, and Matrices 4 4.1 Complex number operations . . . ........................ 4 4.2 Generating vectors . . . ............................. 5 4.3 Accessing vector elements ............................ 5 5 Matrix Operations 5 5.1 Arithmetic matrix operations . . ........................ 6 5.2 Relational operations . . ............................. 6 5.3 Flow control operations . ............................. 7 5.4 Math functions . ................................. 7 6 MATLAB Files 7 6.1 M-Files . ..................................... 8 6.1.1 Scripts . . ................................. 8 6.1.2 Functions ................................. 8 6.2 Mat-Files ..................................... 9 6.3 Postscript Files . ................................. 9 6.4 Diary Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Plotting 10 7.1 Simple plotting commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.2 Customization of plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8 Signals and Systems Commands 11 8.1 Polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8.2 Laplace and Z Transforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 8.3 Frequency responses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 8.4 Fourier transforms and filtering . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 Examples of Usage 13 9.1 Find pole-zero diagram, bode diagram, step response from system function . 13 9.1.1 Simple solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 9.1.2 Customized solution . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 9.2 Locus of roots of a polynomial . . . . . . . . . . . . . . . . . . . . . . . . . . 16 9.3 Response of an LTI system to an input . . . . . . . . . . . . . . . . . . . . . 18 10 Acknowledgement 18 2