https://pimbook.org/

The other one is in web format, it's something along the lines of "Visual Linear Algebra". Really unsure of title, but it's centered around visualizations of the math.

On my laptop I would post bookmark but I'm in bed on phone, sorry =/

Edit: Here

https://textbooks.math.gatech.edu/ila/

http://immersivemath.com/ila/index.html

and mathematics for machine learning: https://mml-book.github.io/

There are also lectures by one of the authors (Tom Leighton) covering those topics.

https://www.youtube.com/playlist?list=PLB7540DEDD482705B