how to create discrete heaviside

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Igor
Igor 2011-11-24
Hi every one. I need to create a discrete pulse and then find&plot its z-transformation.Usual heaviside is not working propely( x[0]=1/2 ) and i dont really see another way then heaviside. any tip would help... thx.

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回答（1 个）

Rick Rosson
Rick Rosson 2011-11-24
N = 200;
k = 1:N;
p = 15;
x = (k > p);
figure;
stairs(k,x);

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