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Math
Math.Transforms
Math.Transforms.FFT
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Method Math.Transforms.FFT()->rFFT()
- Method
rFFT
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array(array(float)) rFFT(array(int|float) real_input)
- Description
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Returns the FFT of the input array.
The input must be real and the output is complex.
The output consists of an array. It's first element is the amplitudes and the
second element is the phases.
- Parameter real_input
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The array of floats and/or ints to transform.
- Note
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rIFFT(rFFT()) returns the input array scaled by n=sizeof(input array).
This is due to the nature of the DFT algorithm.
- See also
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rIFFT()
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