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plotting discrete time signals

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William
William 2013-9-11
回答： aswathy subash 2019-5-1
I'm trying to plot a discrete time signal with a step function from -5 to 5 I am trying to use the heaviside() function but keep getting errors. Can anyone tell me why this is invalid matlab syntax?
n = [-5 -4 -3 -2 -1 0 1 2 3 4 5];
f_one = 2*(0.5)^.n * heaviside(n.+2)

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2013-9-11
编辑：Azzi Abdelmalek 2013-9-11
% You have so
n = [-5 -4 -3 -2 -1 0 1 2 3 4 5];
f_one = 2*0.5.^n.* heaviside(n+2)
stem(n,f_one)
% The operator .+ does not exist in Matlab

更多回答（2 个）

William
William 2013-9-11
Thanks again for your help! It's been three in a row :) You're awesome!
aswathy subash
aswathy subash 2019-5-1
matlab program for to sketch magnitude and phase spectrum of discrete time system H(e^jw)=(1-e^(-3jw))/3(1-e(-jw) )

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