freeCodeCamp/curriculum/challenges/chinese-traditional/11-machine-learning-with-python/tensorflow/neural-networks-activation-functions.md

---
id: 5e8f2f13c4cdbe86b5c72d93
title: '神經網絡：激活函數'
challengeType: 11
videoId: S45tqW6BqRs
dashedName: neural-networks-activation-functions
---

# --question--

## --text--

哪個激活函數在 -1 和 1 之間切換值？

## --answers--

ReLU（線性整流函數）

---

Tanh（雙曲函數）

---

Sigmoid

## --video-solution--

2