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

---
id: 5e8f2f13c4cdbe86b5c72d94
challengeType: 11
videoId: hdOtRPQe1o4
dashedName: neural-networks-optimizers
---

# --question--

## --text--

What is an optimizer function?

## --answers--

A function that increases the accuracy of a model's predictions.

---

A function that implements the gradient descent and backpropagation algorithms for you.

---

A function that reduces the time a model needs to train.

## --video-solution--

2
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`
			`id: 5e8f2f13c4cdbe86b5c72d94`
			`challengeType: 11`
			`videoId: hdOtRPQe1o4`
feat(curriculum): restore seed + solution to Chinese (#40683) * feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com> 2021-01-13 03:31:00 +01:00			`dashedName: neural-networks-optimizers`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`

chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`# --question--`

			`## --text--`

			`What is an optimizer function?`

			`## --answers--`

			`A function that increases the accuracy of a model's predictions.`

			`---`

			`A function that implements the gradient descent and backpropagation algorithms for you.`

			`---`

			`A function that reduces the time a model needs to train.`

			`## --video-solution--`

			`2`