---
description: Explore activation functions in Ultralytics, including the Unified activation function and other custom implementations for neural networks.
keywords: ultralytics, activation functions, neural networks, Unified activation, AGLU, SiLU, ReLU, PyTorch, deep learning, custom activations
---

# Reference for `ultralytics/nn/modules/activation.py`

!!! note

    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/activation.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/activation.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/nn/modules/activation.py) 🛠️. Thank you 🙏!

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## ::: ultralytics.nn.modules.activation.AGLU

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