Disclaimer

Last updated: October 23, 2026

For learning, not advice

Mathematics for AI and Machine Learning, this website, the Companion, and the videos and songs are educational materials. They are not professional, financial, legal, medical or engineering advice for any particular situation.

Accuracy

We work hard to get the mathematics and the code right, but mistakes happen. Everything is provided "as is", without warranty of any kind, express or implied, including fitness for a particular purpose. Corrections are listed on the Companion's errata page (for members); please report any error you find to xuanxinjushi@gmail.com.

Code and demos

Code samples, notebooks and interactive demos illustrate the ideas in the book. Review and test them before using them in your own work; you use them at your own risk. Their output depends on your software versions and data.

Liability

To the extent the law allows, the author and publisher are not liable for any loss or damage arising from the use of the book, this website or its materials.

Other websites and trademarks

Links to other websites and stores (such as Amazon, Lulu, IngramSpark, PayPal, YouTube or GitHub) are for convenience; we don't control those sites and aren't responsible for their content or practices. Product and company names mentioned are trademarks of their respective owners and are used only to identify them.

People named in the book

Information about real people (for example, contest results) comes from public sources and may change; it is given in good faith and is not an endorsement by them.