吴恩达机器学习的ppt以及作业编程练习题答案（别人总结的）

https://blog.csdn.net/huakai16/article/details/78341243?locationNum=6&fps=1

http://daniellaah.github.io/2016/Machine-Learning-Andrew-Ng-My-Notes

https://github.com/imLogM/Machine_Learning_AndrewNg