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

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Array Index>>u(7)ans =0.6000>>w(7)ans =2.8232• Use the length function <strong>to</strong> determinehow many values are in an array.>>m = length(w)m =1011-1616More? See pages 19-20.
Polynomial RootsTo find the roots of x 3 –7x 2 + 40x – 34 = 0, the sessionis>>a = [1,-7,40,-34];>>roots(a)ans =3.0000 + 5.000i3.0000 - 5.000i1.0000The roots are x = 1 and x = 3 ± 5i.1-1717
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: Arrays• The numbers 0, 0.1, 0.2,
Page 19 and 20: When you type problem1,1. MATLAB fi
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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