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Introduction to MATLAB

Introduction to MATLAB. ENGR 1181 MATLAB 1. MATLAB Built-in Math Functions. Pre-defined in MATLAB ready for use exp (x) – exponential (e x ) log(x) – natural logarithm (log e (x)) log10(x) – base 10 logarithm (log 10 (x)) sqrt (x) – square root (√x) abs(x) – absolute value (|x |).

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Introduction to MATLAB

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  1. Introduction to MATLAB ENGR 1181 MATLAB 1

  2. MATLAB Built-in Math Functions • Pre-defined in MATLAB ready for use • exp(x) – exponential (ex) • log(x) – natural logarithm (loge(x)) • log10(x) – base 10 logarithm (log10(x)) • sqrt(x) – square root (√x) • abs(x) – absolute value (|x|)

  3. Plot Formatting • Title: title('Distance vs. Intensity') • Axis Labels: xlabel('Intensity , w/m^2')ylabel('Distance, m') • Legend: legend('Data Set 1', 'Data Set 2’)

  4. Line Specifiers • Allow you to change the type of line and markers on the plot • Refer to your book, or type: help plot for syntax and options

  5. Input a String to a Script File • The input() command can also be used for a string input. • The user does not need to know or understand what a string is or what is happening in the code. y = input('text’,’s’) Adding the ,’s’ will convert the input to a string

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