perpendicularity vectors, unit vector
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Hello
So i have 3 curves (red, green and blue) every curve is made od 117 (x,y,z) cordinates. Then i have unit vector for each point on blue curve (cosalpha, cosbeta, cosgama). I need to get the distance betwen the curves using the unit vector. So i made a lot of line representing unit vector (length of vector is unknown). And then i tried to perpendicularity vectors from red/green curve to unit vectors and then using Pythagorean theorem to get the distance. I have no clue how to do it. Im glad for any advice.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/853020/image.png)
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Torsten
on 4 Jan 2022
Brute-force method:
Check which of the 117x117 combinations of points yields the smallest value for distance.
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