• Thumbnail for Convex hull
    In geometry, the convex hull, convex envelope or convex closure of a shape is the smallest convex set that contains it. The convex hull may be defined either...
    61 KB (7,161 words) - 05:35, 2 November 2024
  • Algorithms that construct convex hulls of various objects have a broad range of applications in mathematics and computer science. In computational geometry...
    17 KB (2,271 words) - 08:05, 9 October 2024
  • "balanced"), in which case it is called a disk. The disked hull or the absolute convex hull of a set is the intersection of all disks containing that set...
    11 KB (1,913 words) - 09:38, 28 August 2024
  • Thumbnail for Convex set
    is always a convex curve. The intersection of all the convex sets that contain a given subset A of Euclidean space is called the convex hull of A. It is...
    25 KB (3,068 words) - 21:18, 3 October 2024
  • locally convex space, the convex hull and the disked hull of a totally bounded set is totally bounded. In a complete locally convex space, the convex hull and...
    58 KB (10,568 words) - 23:16, 10 August 2024
  • Carathéodory's theorem is a theorem in convex geometry. It states that if a point x {\displaystyle x} lies in the convex hull C o n v ( P ) {\displaystyle \mathrm...
    14 KB (2,153 words) - 21:04, 8 July 2024
  • Thumbnail for Polyhedron
    Polyhedron (redirect from Convex polyhedra)
    or vertices. A convex polyhedron is a polyhedron that bounds a convex set. Every convex polyhedron can be constructed as the convex hull of its vertices...
    91 KB (10,118 words) - 17:46, 6 November 2024
  • The polynomially convex hull contains the holomorphically convex hull. The domain G {\displaystyle G} is called holomorphically convex if for every compact...
    124 KB (17,684 words) - 19:46, 25 October 2024
  • Thumbnail for Convex combination
    learning resources about Convex combination Affine hull Carathéodory's theorem (convex hull) Simplex Barycentric coordinate system Convex space Rockafellar,...
    7 KB (542 words) - 07:55, 4 June 2024
  • Thumbnail for Orthogonal convex hull
    every convex set is orthogonally convex but not vice versa. For the same reason, the orthogonal convex hull itself is a subset of the convex hull of the...
    13 KB (1,508 words) - 10:27, 18 December 2023
  • geometry Conical hull, in convex geometry Convex hull, in convex geometry Carathéodory's theorem (convex hull) Holomorphically convex hull, in complex analysis...
    2 KB (336 words) - 20:34, 21 October 2024
  • Thumbnail for Convex polytope
    convex set of points in space. Other important definitions are: as the intersection of half-spaces (half-space representation) and as the convex hull...
    23 KB (3,271 words) - 17:14, 10 November 2024
  • Thumbnail for Convex polygon
    the convex hull of its edges. Additional properties of convex polygons include: The intersection of two convex polygons is a convex polygon. A convex polygon...
    6 KB (881 words) - 21:52, 20 February 2024
  • The dynamic convex hull problem is a class of dynamic problems in computational geometry. The problem consists in the maintenance, i.e., keeping track...
    6 KB (769 words) - 22:54, 28 July 2024
  • Local convex hull (LoCoH) is a method for estimating size of the home range of an animal or a group of animals (e.g. a pack of wolves, a pride of lions...
    7 KB (1,116 words) - 07:18, 14 May 2021
  • Closed hulls In a locally convex space, convex hulls of bounded sets are bounded. This is not true for TVSs in general. The closed convex hull of a set...
    103 KB (13,537 words) - 12:47, 4 October 2024
  • Thumbnail for Relative convex hull
    and computational geometry, the relative convex hull or geodesic convex hull is an analogue of the convex hull for the points inside a simple polygon or...
    9 KB (1,112 words) - 14:39, 29 July 2024
  • Thumbnail for Delaunay triangulation
    Delone triangulation of a set of points in the plane subdivides their convex hull into triangles whose circumcircles do not contain any of the points....
    28 KB (3,181 words) - 17:52, 14 November 2024
  • A kinetic convex hull data structure is a kinetic data structure that maintains the convex hull of a set of continuously moving points. It should be distinguished...
    12 KB (1,934 words) - 20:41, 10 November 2022
  • Thumbnail for Krein–Milman theorem
    Krein–Milman theorem (category Convex hulls)
    to the closed convex hull of its extreme points. This theorem generalizes to infinite-dimensional spaces and to arbitrary compact convex sets the following...
    20 KB (2,953 words) - 00:34, 14 October 2024
  • Thumbnail for Oloid
    geometric object that was discovered by Paul Schatz in 1929. It is the convex hull of a skeletal frame made by placing two linked congruent circles in perpendicular...
    7 KB (857 words) - 17:09, 8 June 2024
  • Thumbnail for Graham scan
    Graham scan (category Convex hull algorithms)
    Graham's scan is a method of finding the convex hull of a finite set of points in the plane with time complexity O(n log n). It is named after Ronald...
    12 KB (1,738 words) - 05:25, 5 November 2024
  • Thumbnail for Convex hull of a simple polygon
    In discrete geometry and computational geometry, the convex hull of a simple polygon is the polygon of minimum perimeter that contains a given simple...
    9 KB (1,141 words) - 10:12, 18 December 2023
  • piece from a figure, its area decreases but its perimeter may not. The convex hull of a figure may be visualized as the shape formed by a rubber band stretched...
    11 KB (1,302 words) - 19:39, 25 September 2024
  • Thumbnail for Radon's theorem
    Radon's theorem (category Convex hulls)
    on convex sets, published by Johann Radon in 1921, states that: Any set of d + 2 points in Rd can be partitioned into two sets whose convex hulls intersect...
    17 KB (2,323 words) - 00:55, 28 April 2024
  • encoding of the convex hull of the function's epigraph in terms of its supporting hyperplanes. For more examples, see § Table of selected convex conjugates...
    16 KB (2,012 words) - 14:13, 18 November 2024
  • Thumbnail for Gift wrapping algorithm
    Gift wrapping algorithm (category Convex hull algorithms)
    geometry, the gift wrapping algorithm is an algorithm for computing the convex hull of a given set of points. In the two-dimensional case the algorithm is...
    5 KB (680 words) - 12:25, 19 June 2024
  • spheres determines a specific volume known as the convex hull of the packing, defined as the smallest convex set that includes all the spheres. There are many...
    16 KB (2,641 words) - 03:03, 10 August 2024
  • Thumbnail for Shapley–Folkman lemma
    Shapley–Folkman lemma (category Convex hulls)
    bound on the distance between any point in the Minkowski sum and its convex hull. This upper bound is sharpened by the Shapley–Folkman–Starr theorem (alternatively...
    83 KB (10,202 words) - 22:30, 5 November 2024
  • Thumbnail for Simple polygon
    problems, including point in polygon testing, area computation, the convex hull of a simple polygon, triangulation, and Euclidean shortest paths. Other...
    31 KB (3,199 words) - 01:11, 17 October 2024