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MatlabCommands - MATLAB Commands and Functions Dr Brian...

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MATLAB Commands – 1 MATLAB Commands and Functions Dr. Brian Vick Mechanical Engineering Department Virginia Tech General Purpose Commands Operators and Special Characters / 3 Commands for Managing a Session / 3 Special Variables and Constants / 4 System and File Commands / 4 Input/Output and Formatting Commands Input/Output Commands / 5 Format Codes for fprintf and fscanf / 5 Numeric Display Formats / 5 Vector, Matrix and Array Commands Array Commands / 6 Special Matrices / 6 Matrix Arithmetic / 6 Matrix Commands for Solving Linear Equations / 6 Cell Array Functions / 7 Structure Functions / 7 Plotting Commands Basic xy Plotting Commands / 8 Plot Enhancement Commands / 8 Specialized Plot Commands / 8 Colors, Symbols and Line Types / 9 Three-Dimensional Plotting Commands / 9 Histogram Functions / 9
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MATLAB Commands – 2 Programming Logical and Relational Operators / 10 Program Flow Control / 10 Logical Functions / 10 M-Files / 11 Timing /11 Mathematical Functions Exponential and Logarithmic Functions / 12 Trigonometric Functions / 12 Hyperbolic Functions / 12 Complex Functions / 13 Statistical Functions / 13 Random Number Functions / 13 Numeric Functions / 13 String Functions / 13 Numerical Methods Polynomial and Regression Functions / 14 Interpolation Functions / 14 Numerical Integration Functions / 14 Numerical Differentiation Functions / 14 ODE Solvers / 15 Predefined Input Functions / 15 Symbolic Math Toolbox Functions for Creating and Evaluating Symbolic Expressions / 16 Functions for Manipulating Symbolic Expressions / 16 Symbolic Calculus Functions / 16 Symbolic Solution of Algebraic and Transcendental Equations / 17 Symbolic Solution of Differential Equations / 17 Laplace Transform Functions / 17 Symbolic Linear Algebra Functions / 17
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MATLAB Commands – 3 General Purpose Commands Operators and Special Characters + Plus; addition operator. - Minus; subtraction operator. * Scalar and matrix multiplication operator. .* Array multiplication operator. ^ Scalar and matrix exponentiation operator. .^ Array exponentiation operator. \ Left-division operator. / Right-division operator. .\ Array left-division operator. ./ Array right-division operator. : Colon; generates regularly spaced elements and represents an entire row or column. ( ) Parentheses; encloses function arguments and array indices; overrides precedence. [ ] Brackets; enclosures array elements. . Decimal point. Ellipsis; line-continuation operator. , Comma; separates statements and elements in a row. ; Semicolon; separates columns and suppresses display. % Percent sign; designates a comment and specifies formatting. _ Quote sign and transpose operator. ._ Nonconjugated transpose operator. = Assignment (replacement) operator. Commands for Managing a Session clc Clears Command window. clear Removes variables from memory. exist Checks for existence of file or variable. global Declares variables to be global.
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