Definition of sum of matrices, product of a scalar and a matrix
Suggestions for in-class activities on matrix operations: addition, multiplication, transpose, and the fact that multiplication is not commutative.
In this section we will back up and start simple. We begin with a definition of a totally general set of matrices, and see where that takes us.
Pre-class quiz (four questions) on matrix operations to be completed by students after having watched a pre-class video on the topic.