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Plotting signals discrete with dirac

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karim Soussou
karim Soussou on 22 Jun 2021
Commented: John D'Errico on 13 Jul 2021
I am still new in matlab and i am trying to plot those signals 𝑥1[𝑛] = 2𝛿[𝑛 + 𝐷1] − 3𝛿[𝑛 + 𝐷2] + 3𝛿[𝑛 − 𝐷3] + 2𝛿[𝑛 − 𝐷4] 𝑥2[𝑛] = 2𝑢[𝑛 + 𝐷1] − 3𝑢[𝑛 + 𝐷2] + 3𝑢[𝑛 − 𝐷3] + 2𝑢[𝑛 − 𝐷4] 𝑥3(𝑡) = 2𝑢(𝑡 + 𝐷1) − 3𝑢(𝑡 + 𝐷2) + 3𝑢(𝑡 − 𝐷3) + 2𝑢(𝑡 − 𝐷4) where D1=1, D2,=0 D3,=6 D4=0

Accepted Answer

Chunru
Chunru on 23 Jun 2021
D = [-1 0 6 8]; % D1, D2 (negative), D3, D4(changed to 8);
x1 = [2 -3 3 2];
subplot(311); stem(D, x1); % for dirac
subplot(312); x2 = [2 -3 3 2]; x2 = cumsum(x2); stairs(D, x2); % for steps
subplot(313); x2 = [2 -3 3 2]; x2 = cumsum(x2); stairs(D, x2);
  1 Comment
John D'Errico
John D'Errico on 13 Jul 2021
Please don't do student homework assignments for them. It does not help them, except to teach them there is always someone willing to do their work for them. That is not the purpose of Answers.

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