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# init(function:alpha:beta:)

Returns a new common activation function parameters structure that uses the specified function, alpha, and beta.

```
init(function: BNNSActivationFunction, alpha: Float = .nan, beta: Float = .nan)
```

## Parameters

`function`

The activation function to use.

`alpha`

The parameter for the alpha of the activation function.

`beta`

The parameter for the beta of the activation function.

## Return Value

A new common activation function parameters structure.

---

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