There are times when I wished to have a teacher with magical powers to help understand something as basic as a matrix and the whole world that is built around it. Luckily, if you look at the right place, we do find them and make our lives worthwhile again in the world of math 🙂 .
Gilbert Strang is one such genius who can make anything in maths plain simple. If Teaching were an art, this guy would have been a Picasso !!
The following lecture on Linear Algebra is part of the Linear Differential Course on MIT Opencourseware . More of a high level view …
This is a summary on Linear Algebra. A complete set of awesome videos on Linear Algebra can be found in 18.6 Linear Algebra , MIT