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# Exponentially weighted

# <kbd>module</kbd> `coreforecast.exponentially_weighted`

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## <kbd>function</kbd> `exponentially_weighted_mean`

```python theme={null}
exponentially_weighted_mean(x: ndarray, alpha: float) → ndarray
```

Compute the exponentially weighted mean of the input array.

**Args:**

* <b>`x`</b> (np.ndarray):  Input array.
* <b>`alpha`</b> (float):  Weight parameter.

**Returns:**

* <b>`np.ndarray`</b>:  Array with the exponentially weighted mean.

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