vector direction calculation in order to remove impact of magnitude

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Kh. Dola
Kh. Dola 2021-7-2
回答： Paul 2021-7-2
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.

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回答（1 个）

Paul
Paul 2021-7-2
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

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