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How to find facets of convex hull for 5 or higher dimension

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sita
sita 2015-1-21
回答： Image Analyst 2015-1-21
Hi, How to find facets of convexhull .Is there any way to get equation of facet as output interms of variables?
Thanks, Sita

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回答（2 个）

Matt J
Matt J 2015-1-21
编辑：Matt J 2015-1-21
You can use VERT2LCON ( Download ).
Image Analyst
Image Analyst 2015-1-21
To get the vertices, you can use convhulln():
K = convhulln(X) returns the indices K of the points in X that comprise the facets of the convex hull of X. X is an m-by-n array representing m points in N-dimensional space. If the convex hull has p facets then K is p-by-n.
Now, how to turn a set of vertices that define a hyperplane into an analytical equation for that hyperplane , I don't have any idea.

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