Question

what is the projection of (4,4) onto (3,1)

Answer 1

\[proj _{v}u = (\frac{u.v}{v.v})v\]

Answer 2

"The projection of u onto v", and those are dot products in the parentheses.

Answer 3

\[\large {proj _{v}u = (\frac{u.v}{v.v})v}\]