Linear Algebra, Study, Math, Learn, Homework.
take a look at a 2 by 2 matrix with the entries a, b, c and d. source-https://www.youtube.com/watch?v=Ip3X9LOh2dk&t=154s This leaves us with the question, where does this formula come from? Lets say that b and c are both 0. Then the term a tells you how much ihat is stretched in the x direction and