Get envelope of a cyclic curve

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Dear All, I need to get an envelope of a cyclic curve as shown shown in the attach picture and excel file.
Thank you.
William Rose
William Rose on 12 Jan 2023
@Nikesh Maharjan, you're welcome. Good luck with your work.

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Accepted Answer

William Rose
William Rose on 11 Dec 2022
Use convhull() to find the smallest convex shape that wraps around the points.
See code below.
Good luck.

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