Orthogonality in Discrete Fourier Transforms

bdforbes

Hmm. So DFTs only have positive exponentials but FTs have positive AND negative?

In any case, it still appears that the given orthogonality condition for the cosines is incorrect, right?

bdforbes	Orthogonality in Discrete Fourier Transforms Hmm. So DFTs only have positive exponentials but FTs have positive AND negative? In any case, it still appears that the given orthogonality condition for the cosines is incorrect, right?