Description Usage Arguments Details Value Author(s) See Also Examples
Performs n-point Fast Fourier Transform (FFT)
analoguous to MATLAB's fft(x,n)
.
1 |
x |
vector or array on which to perform the FFT. |
n |
Desired length of the FFT. Defaults to length of |
If x
is a vector, fftn
either truncates
x
or pads it with trailing zeros to make its
length exactly n
. For array, each column is adjusted
in this way.
After padding or truncating, the routine calls fft
on
the altered vector or array.
Return value is the same as fft
.
Christopher G. Green christopher.g.green@gmail.com
1 | fftn(1:200,n=256)
|
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