> Linear algebra got a lot easier for me when I realised that matrices are just linear functions, and matrix multiplication is function composition. As my form

> Linear algebra got a lot easier for me when I realised that matrices are just linear functions, and matrix multiplication is function composition. As my former exercise instructor for linear algebra told to the math students at the beginning of the second semester: Those people who have not yet understood that matrices are more than a box of numbers are definitely at the wrong place here.