How to find the angle?

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Ali Almakhmari
Ali Almakhmari on 9 May 2023
Edited: Matt J on 9 May 2023
Hi guys. Lets say I have two points, and I want to find the angle (0 to 360 deg measured counter clockwise) from the x-axis to the line connecting those two points. How can I do that in an efficient way?
Example: Point 1 is [1,2] and Point 2 is [4,11]

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Accepted Answer

Matt J
Matt J on 9 May 2023
Edited: Matt J on 9 May 2023
One way:
dPt=normalize(Point2-Point1,'n');
angle=acosd(dPt(1)) %degrees

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