qfft - Quaternion Fourier Transforms

General

Qfft(x, **kwargs)	Performs QFT using 2 ffts.
iQfft(X, **kwargs)	Performs inverse QFT.
Qfftshift(X)	Shifts the QFT array
iQfftshift(X)	Unshifts the QFFT array
Qfftfreq(N[, dt])	Return the sampled frequencies, from time spacing dt.