I looked up the "hesse normal form" for lines/planes on Wikipedia. It covers this topic in only 3 languages. Why is the hesse normal form not more prominent ? Or is it also known under a different ...
Linear algebra and geometric insight: a rigorous approach to vector spaces, matrices, and linear applications
Could you point out some references (undergraduate level) that give a geometric understanding of vector spaces, matrices, and linear applications? As far as I know, many textbooks start with an ...