《MATLAB编程(第4版)》课后习题答案

《MATLAB编程（第4版）》是2011年科学出版社出版的图书，作者是StephenJ.Chapman。

《matlab编程(第4版)》详细讲述了利用matlab解决典型技术问题的方法，包括自顶向下的程序设计方法、函数的使用、matlab内部工具的使用和数据结构、使用技巧和常见错误等。作者将matlab作为一种科技程序设计语言进行介绍，帮助读者编写出简洁、高效、组织良好的程序；同时，帮助读者使用matlab的扩展在线帮助功能来找到所需的函数。《matlab编程(第4版)》注重提高读者利用matlab解决实际问题的能力，为将来的学习与研究工作打下良好的基础。

《matlab编程(第4版)》可作为工科各专业本科生的教学用书，也可作为工程技术人员的参考书。

目录

• 《matlab编程(第4版)》
• chapter 1 introduction to matlab
• 1.1 the advantages of matlab 1
• 1.2 disadvantages of matlab 3
• 1.3 the matlab environment 3
• 1.3.1 the matlab desktop 4
• 1.3.2 the command window 5
• 1.3.3 the command history window
• 1.3.4 the start button 6
• 1.3.5 the edit/debug window 7
• 1.3.6 figure windows 8
• 1.3.7 docking and undocking windows 9
• 1.3.8 the matlab workspace 10
• 1.3.9 the workspace browser 10
• 1.3.10 getting help 11
• 1.3.11 a few important commands 13
• 1.3.12 the matlab search path 14
• 1.4 using matlab as a scratch pad 15
• 1.5 summary 17
• 1.5.1 matlab summary 17
• .1.6 exercises 17
• chapter 2 matlab basics 19
• 2.1 variables and arrays 19
• 2.2 creating and initializing variables in matlab 22
• 2.2.1 initializing variables in assignment statements 22
• 2.2.2 initializing with shortcut expressions 25
• 2.2.3 initializing with built-in functions 26
• 2.2.4 initializing variables with keyboard input 26
• 2.3 multidimensional arrays 28
• 2.3.1 storing multidimensional arrays in memory 29
• 2.3.2 accessing multidimensional arrays with one dimension 30
• 2.4 subarrays 30
• 2.4.1 the end function 31
• 2.4.2 using subarrays on the left-hand side of an assignment statement 31
• 2.4.3 assigning a scalar to a subarray 32
• 2.5 special values 33
• 2.6.1 changing the default format 35
• 2.6.2 the disp function 36
• 2.6.3 formatted output with the fprintf function 36
• 2.7 data files 38
• 2.8 scalar and array operations 41
• 2.8.1 scalar operations 41
• 2.8.2 array and matrix operations 41
• 2.9 hierarchy of operations 44
• 2.10 built-in matlab functions 47
• 2.10.1 optional results 47
• 2.10.2 using matlab functions with array inputs 47
• 2.10.3 common matlab functions 47
• 2.11 introduction to plotting 48
• 2.11.1 using simple xy plots 49
• 2.11.2 printing a plot 50
• 2.11.3 exporting a plot as a graphical image 50
• 2.11.4 multiple plots 51
• 2.11.5 line color, line style, marker style, and lc. gends 52
• 2.11.6 logarithmic scales 55
• 2.12 examples 56
• 2.13 debugging matlab programs 62
• 2.14 summary 64
• 2.14.1 summary of good programming practice 64
• 2.14.2 matlab summary 65
• 2.15 exercises 67
• chapter 3 branching statements and program design
• 3.1 introduction to top-down design techniques 74
• 3.2 use of pseudocode 79
• 3.3 the logical data type 80
• 3.3.1 relational operators 80
• 3.3.2 a caution about the = and ～= operators 82
• 3.3.3 logic operators 83
• 3.3.4 logical functions 87
• 3.4 branches 89
• 3.4:1 the if construct 89
• 3.4.2 examples using if constructs 91
• 3.4.3 notes concerning the use of if constructs 96
• 3.4.4 the switch construct 98
• 3.4.5 the try/catch construct 99
• 3.5 additional plotfi'ng features 101
• 3.5.1 controlling x-and y-axis plotting limits 101
• 3.5.2 plotting multiple plots on the same axes 103
• 3.5.4 subplots 104
• 3.5.5 enhanced control of plotted lines 106
• 3.5.6 enhanced control of text strings 106
• 3.5.7 polar plots 108
• 3.5.8 annotating and saving plots 113
• 3.6 more on debugging matlab programs 116
• 3.7 summary 119
• 3.7.1 summary of good programming practice 120
• 3.7.2 matlab summary 120
• 3.8 exercises 121
• chapter 4 loops 126
• 4.1 the while loop 126
• 4.2 the for loop 131
• 4.2.1 details of operation 137
• 4.2.2 the matlab just-in-time (jit) compiler 139
• 4.2.3 the break and continue statements 143
• 4.2.4 nesting loops 145
• 4.3 logical arrays and vectorization 146
• 4.3.1 creating the equivalent of if / else constructs with logical arrays 147
• 4.4 the matlab profiler 149
• 4.5 additional examples 151
• 4.6 summary 163
• 4.6.1 summary of good programming practice 164
• 4.6.2 matlab summary 164
• 4.7 exercises 164
• chapter 5 user-defined functions 172
• 5.1 introduction to matlab functions 173
• 5.2 variable passing in matlab: the pass-by-value scheme 177
• 5.3 optional arguments 187
• 5.4 sharing data using global memory 192
• 5.5 preserving data between calls to a function 198
• 5.6 function functions 203
• 5.7 subfunctions, private functions, and nested functions 206
• 5.7.1 subfunctions 207
• 5.7.2 private functions 208
• 5.7.3 nested functions 209
• 5.7.4 order of function evaluation 211
• 5.8 summary 211
• 5.8.1 summary of good programming practice 212
• 5.8.2 matlab summary 212
• 5.9 exercises 213
• chapter 6 additional data ypes and plot types 225
• 6.1 complex data 226
• 6.1.1 complex variables 227
• 6.1.2 using complex numbers with relational operators 227
• 6.1.3 complex functions 228
• 6.1.4 plotting complex data 231
• 6.2 string functions 234
• 6.2.1 string conversion functions 234
• 6.2.2 creating two-dimensional character arrays 234
• 6.2.3 concatenating sizings 235
• 6.2.4 comparing strings 235
• 6.2.5 searching and replacing characters within a string 239
• 6.2.6 uppercase and lowercase conversion 240
• 6.2.7 trimming whitespace from strings 240
• 6.2.8 numeric-to-string conversions 241
• 6.2.9 string-to-numeric conversions 242
• 6.2.10 summary 243
• 6.3 multidimensional arrays 248
• 6.4 additional data types 250
• 6.4.1 the single data type 250
• 6.4.2 integer data types 251
• 6.4.3 limitations of the s lng 1 e and integer data types 253
• 6.5 additional two-dimensional plots 253
• 6.5.1 additional types of two-dimensional plots 253
• 6.5.2 plotting functions 256
• 6.5.3 histograms 257
• 6.6 three-dimensional plots 258
• 6.6.1 three-dimensional line plots 258
• 6.6.2 three-dimensional surface, mesh, and contour plots 260
• 6.7 summary 262
• 6.7.1 summary of good programming practice 263
• 6.7.2 matlab summary 263
• 6.8 exercises 264
• chapter 7 advanced features: sparse arrays, cell arrays,structures, and function handles 268
• 7.1 sparse arrays 268
• 7.1.1 the sparse attribute 270
• 7.2 cell arrays 274
• 7.2.1 creating cell arrays 276
• 7.2.2 using braces { } as cell constructors 277
• 7.2.3 viewing the contents of cell arrays 277
• 7.2.4 extending cell arrays 278
• 7.2.5 deleting cells in arrays 280
• 7.2.6 using data in cell arrays 280
• 7.2.7 cell arrays of strings 281
• 7.2.8 the significance of cell arrays 282
• 7.2.9 summary,of cel 1 functions 285
• 7.3 structure arrays 285
• 7.3.1 creating structure arrays 286
• 7.3.2 adding fields to structures 288
• 7.3.3 removing fields from structures 289
• 7.3.4 using data in structure arrays 289
• 7.3.5 the getfield and setfield functions 290
• 7.3.6 dynamic field names 291
• 7.3.7 using the size function with structure arrays 293
• 7.3.8 nesting structure arrays 292
• 7.3.9 summary of structure functions 293
• 7.4 function handles 293
• 7.4.1 creating and using function handles 293
• 7.4.2 the significance of function handles 296
• 7.4.3 function handles and nested functions 297
• 7.4.4 an example application: solving ordinary differential equations 298
• 7.5 summary 305
• 7.5.1 summary of good programming practice 305
• 7.5.2 matlab summary 305
• 7.6 exercises 306
• chapter 8 input/output functions
• 8.1 the textreadfunction 311
• 8.2 more about the load and save commands 312
• 8.3 an introduction to matlab file processing 315
• 8.4 file opening and closing 316
• 8.4.1 the fopen function 316
• 8.4.2 the fclose function 319
• 8.5 binary i/o functions 319
• 8.5.1 the fwrite function 319
• 8.5.2 the fread function 320
• 8.6 formatted uo functions 323
• 8.6.1 the fprintf function 323
• 8.6.2 understanding format conversion specifiers 325
• 8.6.3 how format strings are used 326
• 8.6.4 the sprint f function 328
• 8.6.5 the fscanf function 329
• 8.6.6 the fgetl function 331
• 8.6.7 the fgets function 331
• 8.7 comparing formatted and binary i/o functions 331
• 8.8 file positioning and status functions 336
• 8.8.1 the exist function 336
• 8.8.2 the ferror function 339
• 8.8.3 the feof function 339
• 8.8.4 the ftell function 339
• 8.8.5 the frewind function 339
• 8.8.6 the fseek function 339
• 8.9 the textscan function 345
• 8.10 function uiimport 347
• 8.11 summary 348
• 8.11.1 summary of good programming practice 349
• 8.11.2 matlab summary 350
• 8.12 exercises 350
• chapter 9 handle graphics 353
• 9.1 the matlab graphics system 353
• 9.2 object handles 354
• 9.3 examining and changing object properties 355
• 9.3.1 changing object properties at creation time 355
• 9.3.2 changing object properties after creation time 355
• 9.4 using set to list possible property values 361
• 9.5 user-defined data 362
• 9.6 finding objects 363
• 9.7 selecting objects with the mouse 365
• 9.8 position and units 367
• 9.8.1 positions of figure objects 367
• 9.8.2 positions of axes and uicontrol objects 368
• 9.8.3 positions of text objects 368
• 9.9 printer positions 371
• 9.10 default and factory properties 372
• 9.11 graphics object properties 373
• 9.12 summary 374
• 9.12.1 summary of good programming practice 374
• 9.12.2 matlab summary 375
• 9.13 exercises 375