2-dimensional Convex Hull: Difference between revisions

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(Created page with "{{DISPLAYTITLE:2-dimensional Convex Hull (Convex Hull)}} == Description == The convex hull or convex envelope or convex closure of a set X of points in the Euclidean plane or in a Euclidean space (or; more generally; in an affine space over the reals) is the smallest convex set that contains X. Here, we are looking at the 2-dimensional case. == Related Problems == Generalizations: d-dimensional Convex Hull Subproblem: 2-dimensional Convex Hull, Online, 2...")
 
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== Parameters ==  
== Parameters ==  


<pre>n: number of line segments
n: number of line segments
h: number of points on the convex hull</pre>
 
h: number of points on the convex hull


== Table of Algorithms ==  
== Table of Algorithms ==  

Revision as of 13:02, 15 February 2023

Description

The convex hull or convex envelope or convex closure of a set X of points in the Euclidean plane or in a Euclidean space (or; more generally; in an affine space over the reals) is the smallest convex set that contains X. Here, we are looking at the 2-dimensional case.

Related Problems

Generalizations: d-dimensional Convex Hull

Subproblem: 2-dimensional Convex Hull, Online, 2-dimensional Convex Hull, Dynamic

Related: 3-dimensional Convex Hull, 2-dimensional Convex Hull, Dynamic

Parameters

n: number of line segments

h: number of points on the convex hull

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Incremental convex hull algorithm; Michael Kallay 1984 $O(n log n)$ Exact Deterministic Time

References/Citation

https://ecommons.cornell.edu/handle/1813/6417

https://ecommons.cornell.edu/handle/1813/6417