D-dimensional Convex Hull: Difference between revisions

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(Created page with "{{DISPLAYTITLE:d-dimensional Convex Hull (Convex Hull)}} == Description == Here, we are looking at the general d-dimensional case. == Related Problems == Subproblem: 2-dimensional Convex Hull, 3-dimensional Convex Hull Related: 3-dimensional Convex Hull, 2-dimensional Convex Hull, Online, 2-dimensional Convex Hull, Dynamic == Parameters == <pre>n: number of line segments h: number of points on the convex hull f_1: number of facets on the con...")
 
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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
 
f_1: number of facets on the convex hull
$h$: number of points on the convex hull
f_2: number of subfacets on the convex hull</pre>
 
$f_1$: number of facets on the convex hull
 
$f_2$: number of subfacets on the convex hull


== Table of Algorithms ==  
== Table of Algorithms ==  
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| [[Incremental convex hull algorithm; Michael Kallay ( Convex Hull)|Incremental convex hull algorithm; Michael Kallay]] || 1984 || $O(n log n)$ ||  || Exact || Deterministic || [https://www.sciencedirect.com/science/article/pii/002001908490084X Time]
| [[Incremental convex hull algorithm; Michael Kallay ( Convex Hull)|Incremental convex hull algorithm; Michael Kallay]] || 1984 || $O(n \log n)$ ||  || Exact || Deterministic || [https://www.sciencedirect.com/science/article/pii/002001908490084X Time]
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| [[Seidel's Shelling Algorithm (d-dimensional Convex Hull Convex Hull)|Seidel's Shelling Algorithm]] || 1986 || $O(n^{2}+f_1*log(n)$) ||  || Exact || Deterministic || [https://dl.acm.org/doi/pdf/10.1145/12130.12172 Time]
| [[Seidel's Shelling Algorithm (d-dimensional Convex Hull Convex Hull)|Seidel's Shelling Algorithm]] || 1986 || $O(n^{2}+f_1*log(n)$) ||  || Exact || Deterministic || [https://dl.acm.org/doi/pdf/10.1145/12130.12172 Time]

Latest revision as of 08:19, 10 April 2023

Description

Here, we are looking at the general d-dimensional case.

Related Problems

Subproblem: 2-dimensional Convex Hull, 3-dimensional Convex Hull

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

Parameters

$n$: number of line segments

$h$: number of points on the convex hull

$f_1$: number of facets on the convex hull

$f_2$: number of subfacets 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
Seidel's Shelling Algorithm 1986 $O(n^{2}+f_1*log(n)$) Exact Deterministic Time
Chand-Kapur, Gift Wrapping 1970 $O(n*f_1)$ Exact Deterministic Time
N-dimensional Quickhull 1996 $O(n*f(h)$/h) where f(h) denotes the maximum number of facets with h vertices Exact Deterministic Time