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Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>
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@ -21,10 +21,28 @@ pip install scipy
Numpy says [itself](https://numpy.org/doc/stable/reference/routines.fft.html#discrete-fourier-transform-numpy-fft): Numpy says [itself](https://numpy.org/doc/stable/reference/routines.fft.html#discrete-fourier-transform-numpy-fft):
> The SciPy module scipy.fft is a more comprehensive superset of numpy.fft, which includes only a basic set of routines. > The SciPy module scipy.fft is a more comprehensive superset of numpy.fft, which includes only a basic set of routines.
## fft vs rfft
### [numpy.fft.fft](https://numpy.org/doc/stable/reference/generated/numpy.fft.fft.html)
```python ```python
fft.fft(a, n=None, axis=-1, norm=None)[source]
``` ```
> Compute the one-dimensional discrete Fourier Transform.
>
> This function computes the one-dimensional n-point discrete Fourier Transform (DFT) with the efficient Fast Fourier Transform (FFT) algorithm [CT].
## [numpy.fft.rfft](https://numpy.org/doc/stable/reference/generated/numpy.fft.rfft.html)
```python
fft.rfft(a, n=None, axis=-1, norm=None)[source]
```
> Compute the one-dimensional discrete Fourier Transform for real input.
>
> This function computes the one-dimensional n-point discrete Fourier Transform (DFT) of a real-valued array by means of an efficient algorithm called the Fast Fourier Transform (FFT).
## [Discrete Fourier Transform (numpy.fft)](https://numpy.org/doc/stable/reference/routines.fft.html#discrete-fourier-transform-numpy-fft) ## [Discrete Fourier Transform (numpy.fft)](https://numpy.org/doc/stable/reference/routines.fft.html#discrete-fourier-transform-numpy-fft)