Can you help me with this question ?

I need to do this assignment using MATLAB

Question

Can you help me with this question ?

I need to do this assignment using MATLAB

%Q1
y = [ 3.5, 6.0, 9.0, 11.7, 14.1, 15.3, 8.5, 8.0, 9.1, 10.1,10.9, 8.6, 1.05,
-1.9, -3.2, -4.7, -4.8, -3.9, -1.7, 0.5 ];
% a)Find DFT of y
d_y = fft(y);
% b)
k = 0:length(y)-1;
Ck = real(d_y);
%…
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