How to Create the following discrete signal (Y[n]) in MATLAB?
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x[n]= {-1,0,1,2,3,4,4,4,4,4}
Y[n] = x(n+2) -x(n-3)
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Jon
le 9 Sep 2019
Modifié(e) : Jon
le 9 Sep 2019
You could do something like this
x = [-1 0 1 2 3 4 4 4 4 4]
n = 1:length(x)
y = NaN(1,n(end)) % preallocate providing NaN (Not a Number)for possibly unassigned values
idx = 4:n(end)-2; % valid range of indices
y(idx) = x(n(idx)+2) - x(n(idx)-3)
Note you have to take into account that x(n-3) is not defined until n =4 and x(n+2) is not defined after n=8
You could also pad the beginning and end with zeros and then only use the portion that you are interested in
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