How to draw the delta signal in matlab

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Juman Saleh
Juman Saleh il 27 Mar 2023
Risposto: Star Strider il 28 Mar 2023
I was trying to draw but I wasn't able to

Risposte (2)

the cyclist
the cyclist il 27 Mar 2023
Modificato: the cyclist il 27 Mar 2023
Do you mean the Dirac delta function? If so, then dirac might help you.
Also, if you do mean the Dirac delta, I hope you realize that it can't truly be "drawn", because it goes to infinity. It can be represented somehow (e.g. by drawing an arrow at the x location where the Delta is).

Star Strider
Star Strider il 28 Mar 2023
The function normally will not plot in MATLAB because it has infinite amplitude and infinitesimal width.
So it is necessary to approximate it in ordfer to plot it —
t = linspace(0, 2, 21);
Delta = dirac(t - 1)
Delta = 1×21
0 0 0 0 0 0 0 0 0 0 Inf 0 0 0 0 0 0 0 0 0 0
idx = Delta == Inf;
Delta(idx) = 1;
figure
stem(t, Delta, 'filled')
axis('padded')
.

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