Last data update: 2014.03.03
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R: Inverse FFT
Inverse FFT
Description
Matlab/Octave-compatible inverse FFT.
Usage
ifft(x)
Arguments
Details
It uses fft from the stats package as follows:
fft(x, inverse = TRUE)/length(x)
Note that it does not attempt to make the results real.
Value
The inverse FFT of the input, the same length as x .
Author(s)
Tom Short
See Also
fft
Examples
ifft(fft(1:4))
Results
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