Finding Special Feature in 3-D points
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I have 3-D points data as following. Could you suggest a way to locate the two features circled? I can use regression and dy/dx to achieve this task if it's 2-D.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/149986/image.png)
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Walter Roberson
on 12 Oct 2015
One would need to be written but it would be easier than the non-edge case
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