He has another advanced Linear Algebra class:
https://ocw.mit.edu/courses/mathematics/18-065-matrix-method...
And this new book:
https://www.amazon.com/Linear-Algebra-Learning-Gilbert-Stran...
https://ocw.mit.edu/courses/mathematics/18-065-matrix-method...
And this new book:
https://www.amazon.com/Linear-Algebra-Learning-Gilbert-Stran...
Packed with insight that would otherwise take years to pick up piecemeal elsewhere.