MATLAB for Electrical and Computer Engineering Students and Professionals: with Simulink

662 Pages·2013·7.73 MB·English

by  Roland Priemer

‡
MATLAB for
Electrical and Computer Engineering
Students and Professionals
(cid:1)
with Simulink

‡
MATLAB for
Electrical and Computer Engineering
Students and Professionals
(cid:1)
with Simulink
Roland Priemer
University of Illinois at Chicago
Edison, NJ
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1098765432
ISBN978-1-61353-188-4(paperback)
TypesetinIndiabyMPSLimited
PrintedintheUSAbySheridanBooks,Inc.
PrintedintheUKbyHobbsthePrintersLtd
Contents
Preface xi
(cid:1)
1 MATLAB Environment 1
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1.1 Default MATLAB Desktop 1
1.2 Quick Start 4
(cid:1)
1.3 Default MATLAB Desktop Continued 8
(cid:1)
1.4 Built-in MATLAB Functions 12
(cid:1)
1.5 MATLAB Variables 12
(cid:1)
1.6 MATLAB Statements 16
(cid:1)
1.7 MATLAB Elementary Math Functions 21
1.8 Help Facility 23
1.9 Conclusion 26
Further reading 27
Problems 28
2 Programs and Functions 33
2.1 Current Folder 33
2.2 Program Development 34
2.3 Electric Current and Voltage 35
2.3.1 Current 35
2.3.2 Voltage 38
2.3.3 Resistor 40
2.4 Program Development Continued 41
2.5 Functions 48
2.5.1 Anonymous Function 49
2.5.2 Inline Function 50
2.5.3 eval Function 51
2.5.4 Primary Function 52
2.5.5 Sub-Function 57
2.5.6 Private Function 57
2.5.7 Nested Function 58
2.5.8 Function Function 59
2.6 Code Analyzer 63
vi Contents
2.7 p-Code 64
2.8 Tool Box 65
2.9 Conclusion 66
Problems 68
3 Matrices, Vectors, and Scalars 75
3.1 Matrix Definition 75
3.2 Matrix Arithmetic 80
3.3 Method of Least Squares 86
3.4 Function of a Matrix 92
3.5 Solution of a Set of Linear Equations 93
3.5.1 Gauss–Jordan Elimination 100
3.6 Special Matrix Manipulations 103
3.6.1 Extracting a Sub-Matrix 103
3.6.2 Building a Matrix 105
3.7 Resistive Circuit Analysis 109
3.7.1 Component Circuit Analysis 110
3.7.2 Nodal Analysis 115
3.7.3 Loop Analysis 116
3.8 Linear Transformations 118
3.8.1 Vector Space 118
3.8.2 Rotation 121
3.8.3 Eigenvalues and Eigenvectors 123
3.9 Singular Value Decomposition 126
¼
3.10 Accuracy of the Solution of AX Y 129
3.11 System of Nonlinear Equations 135
3.12 Conclusion 139
Further reading 140
Problems 141
4 Program Flow Control 149
4.1 Relational Operators 149
4.2 Logical Operators 152
4.3 If–Elseif–Else–End 154
4.4 For Loop 157
4.4.1 Probability 164
4.4.2 Median Filtering 171
4.5 While Loop 176
4.6 Method of Steepest Descent 178
4.7 Numerical Integration 181
4.7.1 Euler’s Method 182
4.7.2 Trapezoidal Rule 185
4.7.3 Built-in Integration Functions 186
Contents vii
4.8 Switch–Case–Otherwise 188
4.9 Conclusion 190
References 192
Problems 193
5 Binary Data 201
5.1 Boolean Algebra 201
5.2 Binary Numbers 205
5.2.1 Base Ten to Binary Conversion 205
5.2.2 ASCII Codes 207
5.2.3 Storage Allocation 209
5.2.4 Binary Arithmetic 211
5.2.5 Floating Point Notation 214
5.3 Logic Gates 216
5.4 Boolean Functions 218
5.5 Quantization Error 226
5.6 Conclusion 236
Further reading 237
Problems 237
6 Complex Numbers 243
6.1 Origin of Complex Numbers 243
6.2 Rectangular Form and Complex Arithmetic 247
6.3 Polar Form and Complex Arithmetic 254
6.4 Euler’s Identity 257
6.5 Fourier Series 261
6.6 Energy 267
6.7 Impedance 270
6.8 AC Circuit Analysis 273
6.9 Operational Amplifier 280
6.10 Conclusion 284
Problems 285
7 Character Data 291
7.1 Character Strings 291
7.2 Manipulate and Search Character Strings 295
7.3 Structure Arrays 297
7.4 Cell Arrays 308
7.5 Conclusion 311
Problems 311
viii Contents
8 Input/Output 317
8.1 Output 317
8.1.1 Text Output 317
8.1.2 Binary Output 326
8.2 Input 328
8.3 File Management 334
8.4 Sound 336
8.5 Conclusion 341
Problems 341
9 Graphics 347
9.1 Figure 347
9.2 Plots 352
9.2.1 2-D Plots 352
9.2.2 Multiple 2-D Plots 363
9.3 Edit GUI 374
9.4 Color Map 380
9.5 3-D Plots 382
9.5.1 3-D Line Plots 382
9.5.2 3-D Surface Plots 385
9.5.3 3-D Rotation 391
9.6 Movies 394
9.7 Conclusion 403
Problems 404
10 Debugging 413
10.1 Syntax Error Debugging 413
10.2 Run-Time Error Debugging 417
10.2.1 Error and Warning Messages 421
10.2.2 Breakpoints 424
10.3 Conclusion 430
Problems 431
11 Symbolic Math 435
11.1 Symbolic Objects and Expressions 435
11.2 Variable Precision Arithmetic 449
11.3 Algebra 450
11.4 Differentiation 457
11.5 Integration 463
11.6 Conclusion 468
Problems 468
Contents ix
12 Signals and Systems 477
12.1 Signal Analysis 477
12.1.1 Discrete Fourier Transform 481
12.1.2 Inverse Discrete Fourier Transform 492
12.1.3 Windows 494
12.1.4 Non-Stationary Signals 499
12.2 Continuous Time Systems 506
12.3 Response of LTI Continuous Time Systems 509
12.3.1 Zero-Input Response 510
12.3.2 Zero-State Response 513
12.3.3 State Variables 514
12.3.4 Impulse Response 527
12.3.5 Convolution 531
12.3.6 Stability 536
12.3.7 Steady-State Response 536
12.4 Discrete Time Systems 542
12.5 Response of LTI Discrete Time Systems 543
12.5.1 Zero-Input Response 549
12.5.2 Zero-State Response 551
12.5.3 State Variables 551
12.5.4 Impulse Response 555
12.5.5 Convolution 556
12.5.6 Stability 557
12.5.7 Steady-State Response 557
12.6 Ideal Digital Filters 563
12.7 Conclusion 565
Further reading 566
Problems 566
(cid:1)
13 Introduction to Simulink 575
(cid:1)
13.1 Simulink Environment 575
13.2 Dynamic Systems 582
13.3 Custom Blocks 591
13.4 Conclusion 598
Problems 599
AppendixA:Suggestionsfor ReportingSolutionsto Endof Chapter Problems 611
AppendixB:Table of ASCIICodes 613
AppendixC:Answers to Selected Problems 617
Index 625