Numerical Approximation to the continuous time fourier transform
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Calculate samples Y(jw_k) by typing Y=fftshift(tau*fft(y))
>> syms t; >> format compact >> x=symfun(exp(-2.*abs(t)),t); >> y=symfun(x(t-5),t); >> tau=0.01; >> T=10; >> t=[0:tau:T-tau]; >> N=T/tau; >> Y=fftshift(tau*fft(y)) Undefined function 'fft' for input arguments of type 'symfun'.
Not sure what I am doing wrong, I am using Matlab 2016a.
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Ahmed raafat
el 16 de Oct. de 2017
the error is saying that it can't use fft for syms type
check what fft work on from this page
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