[turtledragonfly]

For people interested in this topic, here's a good set of slides going over Grassman/Clifford/Geometric algebra concepts: http://www.terathon.com/gdc12_lengyel.pdf

And another good site: https://mattferraro.dev/posts/geometric-algebra

[enkimute]

don't foget the fantastic Sudgy 'A swift introduction to projective geometric algebra' : https://www.youtube.com/watch?v=0i3ocLhbxJ4

and ofcourse the go-to reference https://bivector.net

or join 1000+ profs, researchers and enthusiasts on the bivector discord here https://discord.gg/vGY6pPk

[e4m2]

The author of that talk, Eric Lengyel, also wrote the book "Foundations of Game Engine Development, Volume 1: Mathematics". Its 4th chapter focuses on the same topics.