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by vmilner 1868 days ago
I'd assumed fft was just a dft with O(n log(n)) performance - am I missing something?
1 comments

You're not. The FFT is just a particular way of implementing the DFT.
Quite. So I'm puzzled by what mistake the 'skilled programmers' are making, when confusing DFT and FFT. Implementing DFT in quadratic time?