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

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Solution of Linear Algebraic Equations6x + 12y + 4z = 707x –2y + 3z = 52x + 8y –9z = 64>>A = [6,12,4;7,-2,3;2,8,-9];>>B = [70;5;64];>>Solution = A\BSolution =35-2The solution is x = 3, y = 5, and z = –2.1-26More? See page 28.
You can perform operations in MATLAB in twoways:1. In the interactive mode, in which allcommands are entered directly in theCommand window, or2. By running a MATLAB program stored inscript file.This type of file contains MATLABcommands, so running it is equivalent totyping all the commands—one at a time—at the Command window prompt.You can run the file by typing its name atthe Command window prompt.1-27More? See pages 29-32.
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 and 18: Polynomial RootsTo find the roots o
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: 1-25 More? See pages 25-27.Some MAT
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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