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np.rfftfreq
Return the Discrete Fourier Transform sample frequencies for rfft.
Syntax
np.rfftfreq(n, d?)
Description
Return the Discrete Fourier Transform sample frequencies for rfft. Returns an array of length n//2 + 1 with the positive sample frequencies: f = [0, 1, ..., n//2] / (d*n)
Parameters
| Name | Description |
|---|---|
| n | - Window length |
| d(optional) | - Sample spacing (default: 1.0) |
Returns
Promise<NDArray>