function ab = alphabeta(inp)% THis will compute alpha and beta given a vector or u,v,w% INPUT:% inp [u v w]%% OUTPUT% ab [alpha beta] (rad)%%	ab = alphabeta(inp)u = inp(1);v = inp(2);w = inp(3);V = sqrt(u^2 + v^2 + w^2);if(V > 1)	alpha = atan2(w,u);   beta = atan2(v, V);else   alpha = 0;   beta = 0;endab = [alpha beta];