2-dimensional space, Euclidean metric (Closest Pair Problem)

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Revision as of 10:19, 15 February 2023 by Admin (talk | contribs) (Created page with "{{DISPLAYTITLE:2-dimensional space, Euclidean metric (Closest Pair Problem)}} == Description == Given $n$ points in 2-dimensional space equipped with the Eucildean metric, find a pair of points with the smallest distance between them. == Related Problems == Related: k-dimensional space, $l_m$ (or $l_\infty$) norm, 2-dimensional space, $l_m$ (or $l_\infty$) norm, 2-dimensional array representation == Parameters == No parameters found. == Table of Alg...")
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Description

Given $n$ points in 2-dimensional space equipped with the Eucildean metric, find a pair of points with the smallest distance between them.

Related Problems

Related: k-dimensional space, $l_m$ (or $l_\infty$) norm, 2-dimensional space, $l_m$ (or $l_\infty$) norm, 2-dimensional array representation

Parameters

No parameters found.

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Khuller; Matias Randomized Sieve 1995 $O(n)$ $O(n)$, not sure if this is auxiliary Exact Randomized Time & Space
Shamos; Hoey 1975 $O(n logn)$ $O(n)$ Exact Deterministic Time

Time Complexity graph

Closest Pair Problem - 2-dimensional space, Euclidean metric - Time.png

Space Complexity graph

Closest Pair Problem - 2-dimensional space, Euclidean metric - Space.png

Pareto Decades graph

Closest Pair Problem - 2-dimensional space, Euclidean metric - Pareto Frontier.png