incanter에 포함되어 있는 FFT
(import (edu.emory.mathcs.jtransforms.fft DoubleFFT_1D))
(def xt (double-array [1 2 4 6 8]))
(.realForward (DoubleFFT_1D. 5) xt)
(seq xt)
,but now if I try doing the inverse transform i get an error saying no-
matching method found
(.realInverse (DoubleFFT_1D. 5) xt)
