> For the complete documentation index, see [llms.txt](https://jon-xia.gitbook.io/workspace/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jon-xia.gitbook.io/workspace/ji-qi-xue-xi-42/wu-en-da-deeplearning/neural-networks-and-deep-learning/week4.md).

# week4

- [note](https://jon-xia.gitbook.io/workspace/ji-qi-xue-xi-42/wu-en-da-deeplearning/neural-networks-and-deep-learning/week4/note.md)