The first time I really grasped the very basic concepts of linear algebra instead of just being able to calculate things like eigenvalues was after watching thi

The first time I really grasped the very basic concepts of linear algebra instead of just being able to calculate things like eigenvalues was after watching this series by 3blue1brown: https://www.youtube.com/playlist?list=PLZHQObOWTQDPD3MizzM2xVFitgF8hE_ab https://www.youtube.com/playlist?list=PLZHQObOWTQDPD3MizzM2x... There is a series on calculus as well. It is honestly beautiful.