# sigmoid

`import { sigmoid } from "destack:tensor";`

Return logistic sigmoid activation.

```ds title="sigmoid"
export function sigmoid<T: Float, const Rank: usize>(tensor: Tensor<T, Rank>, options?: TensorOutputOptions<T, Rank> | undefined): Tensor<T, Rank>
```

[language/library/src/tensor/neural.ds:56:61](https://github.com/destack-sh/destack/blob/main/language/library/src/tensor/neural.ds#L56-L61)