Not too easy. Not too difficult.
It is very interesting math to learn and to see the applications to other areas including statistics and GPU programming.
The main idea is multiplying matrices. The bigger idea the four subspaces. Other ideas contained within these highlights are projections, inverse matrices, and solving the equation Ax = b.
Hours per week:
Advice for students:
There are iTunes U courses by the professor who wrote the textbook, Gilbert Strang. These come helpful for homework and studying for tests.