Hey guys, Sorry if this is the wrong forum. Someone bump it across if its not. This is a question on one of my tests (im doing my first semester of Physics at university) and its got to do with the program Matlab. We have two vectors u and v. Which of the following gives us the unit vector in the direction of v, starting from u? a) (v-u)/(u*u') b) (v-u) * (v - u) c) (v-u)./mag(v-u) d) (v-u) / (sqrt(v-u)*(v-u)') 'I understand some basic matrix algebra, but im still pretty spun out about matrices. can someone guide me through this? (a) thanks!