Introduction to MATLAB 7 for Engineers Chapter 1 An ... - FET

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Some Commonly Used Mathematical Functions Table 1.3–11-1818Function MATLAB syntax 1e x√xln xlog 10 xcos xsin xtan xcos −1 xsin −1 xtan −1 xexp(x)sqrt(x)log(x)log10(x)cos(x)sin(x)tan(x)acos(x)asin(x)atan(x)1The MATLABtrigonometric functionsuse radian measure.
When you type problem1,1. MATLAB first checks to see if problem1 isa variable and if so, displays its value.2. If not, MATLAB then checks to see ifproblem1 is one of its own commands, andexecutes it if it is.3. If not, MATLAB then looks in the currentdirectory for a file named problem1.mand executes problem1 if it finds it.4. If not, MATLAB then searches thedirectories in its search path, in order,for problem1.m and then executes it iffound.1-1919More? See pages 22-24.
Page 1 and 2: PowerPoint to accompanyIntroduction
Page 3 and 4: Entering Commands and Expressions
Page 5 and 6: Scalar Arithmetic Operations Table
Page 7 and 8: 1-7Examples of Precedence>> 8 + 3*5
Page 9 and 10: The Assignment Operator =• Typing
Page 11 and 12: 1-11 More? See pages 12-15.Commands
Page 13 and 14: Complex Number Operations• The nu
Page 15 and 16: Arrays• The numbers 0, 0.1, 0.2,
Page 17: Polynomial RootsTo find the roots o
Page 21 and 22: System, Directory, and File Command
Page 23 and 24: A graphics window showing a plot. F
Page 25 and 26: 1-25 More? See pages 25-27.Some MAT
Page 27 and 28: You can perform operations in MATLA
Page 29 and 30: The MATLAB Command window with the
Page 32 and 33: To locate program errors, try the f
Page 34 and 35: Programming Style (continued)2. Inp
Page 36 and 37: Example of a Script FileProblem:The
Page 38 and 39: Example of a Script File (continued
Page 40 and 41: 1-40Getting Help• Throughout each
Page 42 and 43: The MATLAB Help Browser. Figure 1.5
Page 44 and 45: Relational operators Table 1.6-1Rel
Page 46 and 47: The find Functionfind(x) computes a
Page 48 and 49: The if StatementThe general form of
Page 50 and 51: LoopsThere are two types of explici
Page 52 and 53: A simple example of a while loop is
Page 54 and 55: Example of a for LoopWrite a script
Page 56 and 57: Steps in engineering problem solvin
Page 58 and 59: 1-58 More? See pages 52-56.Steps in
Page 60 and 61: Key Terms with Page ReferencesArgum
Page 62 and 63: Sketch of the dropped-package probl
Page 64 and 65: Plot of the piston motion versus cr
Page 66 and 67: Figure P291-66

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