There's also a free book "Linear Algebra Done Wrong," which might be worth checking out. https://www.math.brown.edu/~treil/papers/LADW/LADW.html https://www.ma

There's also a free book "Linear Algebra Done Wrong," which might be worth checking out. https://www.math.brown.edu/~treil/papers/LADW/LADW.html https://www.math.brown.edu/~treil/papers/LADW/LADW.html