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
bilibiliIds:
  aid: 675610466
  bvid: BV1wU4y1A7TJ
  cid: 409130203
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
-												chore: seed chinese traditional (#42005)

Seeds the chinese traditional files manually so we can deploy to
staging.
											
										
										
											2021-05-05 10:13:49 -07:00
+								---
 								id: 5e8f2f13c4cdbe86b5c72d93
-												chore(i18n,curriculum): processed translations (#42868)


											
										
										
											2021-07-16 11:03:16 +05:30
+								title: '神經網絡：激活函數'
-												chore: seed chinese traditional (#42005)

Seeds the chinese traditional files manually so we can deploy to
staging.
											
										
										
											2021-05-05 10:13:49 -07:00
+								challengeType: 11
 								videoId: S45tqW6BqRs
-												chore(i18n,curriculum): update translations (#43661)


											
										
										
											2021-10-03 12:24:27 -07:00
+								bilibiliIds:
 								  aid: 675610466
 								  bvid: BV1wU4y1A7TJ
 								  cid: 409130203
-												chore: seed chinese traditional (#42005)

Seeds the chinese traditional files manually so we can deploy to
staging.
											
										
										
											2021-05-05 10:13:49 -07:00
+								dashedName: neural-networks-activation-functions
 								---
 								# --question--
 								## --text--
-												chore(i18n,curriculum): processed translations (#42868)


											
										
										
											2021-07-16 11:03:16 +05:30
+								哪個激活函數在 -1 和 1 之間切換值？
-												chore: seed chinese traditional (#42005)

Seeds the chinese traditional files manually so we can deploy to
staging.
											
										
										
											2021-05-05 10:13:49 -07:00
 								## --answers--
-												chore(i18n,curriculum): processed translations (#42868)


											
										
										
											2021-07-16 11:03:16 +05:30
+								ReLU（線性整流函數）
-												chore: seed chinese traditional (#42005)

Seeds the chinese traditional files manually so we can deploy to
staging.
											
										
										
											2021-05-05 10:13:49 -07:00
 								---
-												chore(i18n,curriculum): processed translations (#42868)


											
										
										
											2021-07-16 11:03:16 +05:30
+								Tanh（雙曲函數）
-												chore: seed chinese traditional (#42005)

Seeds the chinese traditional files manually so we can deploy to
staging.
											
										
										
											2021-05-05 10:13:49 -07:00
 								---
 								Sigmoid
 								## --video-solution--