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Algorithm

Rotating Calipers

Computational Geometry Algorithm

The method of rotating calipers is an algorithm design technique in computational geometry used to solve optimization problems, including finding the width or the diameter of a set of points.

Facts
Time Complexity
O(n) to compute the diameter of a convex polygon 1
Credited To
Michael Shamos, 1978 1
Time Complexity
Time Complexity (category)
Linear Time -- O(n) 1
Sources
1. Rotating calipers, Wikipedia
  • History section, Shamos application
    compute the diameter of a convex polygon in O ( n ) time.
  • History section, first sentence
    The rotating calipers method was first used in the dissertation of Michael Shamos in 1978.
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