Stephen: What is a horizontal distance? Katz: A distance along a horizontal direction. Stephen: No Katz: What do you think it is? Stephen: Your mother Katz: My mother is not a horizontal distance. Katz: If she was, my father couldn't be a vertical distance, because the dot product would be zero, but I clearly exist.
// Talking about vector hats Schwartz: If I can remember to mark them for 90 papers, you should be able to do it for your own homework.
//multivar Noam: Don't forget your vector hats when you type F in the chat
//math team Daniel Zhu: If you squint at a fraction hard enough, it looks like a vector.
Rose: Ok, so there's the point (A,B). It can be represented by ai plus...*awkward pause*...bj.