What are efficient methods (polytime) to compute an approximation of the convex hull in high dimension (say, $30000$) for a given set of points?

Edit: I am looking for an algorithm for getting the hyperplanes that define the convex hull, not the extreme points that are the vertices of the convex hull.


1 Answer 1


This recent paper

Sartipizadeh, Hossein, and Tyrone L. Vincent. "Computing the Approximate Convex Hull in High Dimensions." arXiv:1603.04422 (2016).

includes a summary of previous work on approximate convex hulls. The time complexity of their algorithm is independent of the dimension, and quadratic in the number of points. "The proposed algorithm uses a greedy method to attempt to find the best approximation to the convex hull for a given number of vertices."


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