vector direction calculation in order to remove impact of magnitude

I hav two datasets of velocity such as u and v. I am using quiver to plot 2d vector. But those data magnitude varies much that's why resultant vectors are usually too small. Since i don't need vector's magnitude. I want to calculate directions of u and v individually and then try it on quiver to make my vectors long enough. How to do that that.

Answer 1

[Paul]

I think you want something like this:

mag = sqrt(u.^2 + v.^2);
newu = u./mag;
newv = v./mag;
% now use newu and newv as inputs to quiver