plotting unit step function
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Hi am trying to plot this unit step function u(t-1)-u(t-2)+u(2-t)-u(3-t)+u(t-3)-u(t-4) and really not sure where to start. I have tried doing a laplace transformations with no success, and setting boundary limits with nothing but errors and have even tried to use heaviside function.
Thank you
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Rick Rosson
am 13 Apr. 2012
Fs = 100;
dt = 1/Fs;
StartTime = -5;
StopTime = 15;
t = StartTime:dt:StopTime-dt;
x = (t>1) - (t>2) + (t<2) - (t<3) + (t>3) - (t>4);
figure;
stairs(t,x);
ylim([-1.2 1.2]);
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Richard Brown
am 13 Apr. 2012
Or as an anonymous function:
f = @(t) (t > 1) - (t > 2) + (t < 2) - (t < 3) + (t > 3) - (t > 4);
t = linspace(-5, 5, 200);
stairs(t, f(t));
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