how to automatically find the angle from 2 points ?

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wongsathorn pinwihok 2020-1-25

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https://ww2.mathworks.cn/matlabcentral/answers/501948-how-to-automatically-find-the-angle-from-2-points

评论： Adam Danz 2020-1-26

I try to find the angle between 2 points that I manual put it in the image but I want to find the angle between this 2 points with automatically methods.

How to do ? Thank you.

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wongsathorn pinwihok 2020-1-25

how can i define that 2 markers and find the angles like Akira said?

Adam Danz 2020-1-26

在 MATLAB Online 中打开

If point1 and point2 are defined by (x1,y1), (x2,y2), you can get the angle by

atan(abs(y2-y1)/abs(x2-x1))  % radians
% or
atand(abs(y2-y1)/abs(x2-x1)) % degrees

If you want to programmatically define the two points as well you'll have quite a bit more work to do starting with a solid definition of how they are located.

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