当前位置:网站首页>新手入门深度学习 | 3-6:优化器optimizers
新手入门深度学习 | 3-6:优化器optimizers
2022-07-06 00:34:00 【K同学啊】
- 运行环境:python3
- 作者:K同学啊
- 精选专栏:《深度学习100例》
- 选自专栏:《新手入门深度学习》
- 推荐专栏:《Matplotlib教程》
- 🧿 优秀专栏:《Python入门100题》
优化器是在深度学习反向传播过程中,指引损失函数(目标函数)的各个参数往正确的方向更新合适的大小,使得更新后的各个参数让损失函数(目标函数)值不断逼近全局最小。
本来是写了好多东西的,但是感觉讲太多反而会起反效果,
模型优化算法的选择直接关系到最终模型的性能。有时候效果不好,未必是特征的问题或者模型设计的问题,很可能就是优化算法的问题。
深度学习优化算法大概经历了 SGD -> SGDM -> NAG ->Adagrad -> A
边栏推荐
- Go learning --- read INI file
- Global and Chinese markets for pressure and temperature sensors 2022-2028: Research Report on technology, participants, trends, market size and share
- 云导DNS和知识科普以及课堂笔记
- MYSQL GROUP_ The concat function realizes the content merging of the same ID
- Key structure of ffmpeg - avformatcontext
- MySQL storage engine
- 【文件IO的简单实现】
- Data analysis thinking analysis methods and business knowledge -- analysis methods (II)
- Mysql - CRUD
- 7.5 decorator
猜你喜欢

数据分析思维分析方法和业务知识——分析方法(二)

For a deadline, the IT fellow graduated from Tsinghua suddenly died on the toilet

XML Configuration File

Idea远程提交spark任务到yarn集群
![[groovy] JSON string deserialization (use jsonslurper to deserialize JSON strings | construct related classes according to the map set)](/img/bf/18ef41a8f30523b7ce57d03f93892f.jpg)
[groovy] JSON string deserialization (use jsonslurper to deserialize JSON strings | construct related classes according to the map set)

OpenCV经典100题

建立时间和保持时间的模型分析

Data analysis thinking analysis methods and business knowledge -- analysis methods (II)

小程序技术优势与产业互联网相结合的分析

Folding and sinking sand -- weekly record of ETF
随机推荐
LeetCode 8. String conversion integer (ATOI)
Free chat robot API
uniapp开发,打包成H5部署到服务器
Cloud guide DNS, knowledge popularization and classroom notes
建立时间和保持时间的模型分析
[designmode] composite mode
Spark DF增加一列
[EI conference sharing] the Third International Conference on intelligent manufacturing and automation frontier in 2022 (cfima 2022)
LeetCode 1598. Folder operation log collector
【线上小工具】开发过程中会用到的线上小工具合集
AtCoder Beginner Contest 254【VP记录】
Uniapp development, packaged as H5 and deployed to the server
Pointer pointer array, array pointer
Arduino六足机器人
Classic CTF topic about FTP protocol
Location based mobile terminal network video exploration app system documents + foreign language translation and original text + guidance records (8 weeks) + PPT + review + project source code
Spark DF adds a column
How to use the flutter framework to develop and run small programs
Spark获取DataFrame中列的方式--col,$,column,apply
[groovy] JSON serialization (jsonbuilder builder | generates JSON string with root node name | generates JSON string without root node name)