how to write FFT in matlab?

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f2t1
f2t1 on 11 Apr 2013
Hello,
This is part of my code to convert data in time domain using ifft.
for k = 1:numSymbols,
y= y + data(k)*exp(j*2*pi*Fsub(k)*t);
end
and how do i write the fft if i wanna change y back into frequency domain?

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