MATLAB Tutorial: How To Plot A Function Of One Variable

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MATLAB tutorial: how to plot a function of one variable

Math 331, Fall 2016 * Vitor Matveev * Lecture 1

We will make a simple plot of the following function for x in [-6, 6]

f(x) = sin(x^2) / x^2

Note that just a couple lines accomplish this task:

L = 6; x = linspace(-L, L, 200); % Create an array of "x" coordinates in [-6, 6] y = sin(x.^2) ./ x.^2; % IMPORTANT: note the periods "." in operations plot(x, y, 'b-'); % Plot with a blue ("b") solid line ("-") xlabel('x'); ylabel('y'); title('This is a simple plot of sin(x^2)/x^2'); axis([-L L -0.5 1.2]); % Optional: specify coordinate window

Published with MATLAB® R2015a

Tag » How To Plot A Function In Matlab