FFT {fftw} | R Documentation |
see title
FFT(x, ..., plan) IFFT(x, ..., plan, scale=TRUE) DCT(x, ..., plan, type=1) IDCT(x, ..., plan, type=1, scale=TRUE)
x |
(complex) vector to process |
... |
ignored |
plan |
FFTW plan, can be missing |
scale |
scale results |
type |
type of DCT |
Olaf Mersmann <olafm@statistik.uni-dortmund.de>
n <- 2**16 x <- rnorm(n) p <- planFFT(n) y <- FFT(x, plan=p)