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  2. Corners theorem - Wikipedia

    en.wikipedia.org/wiki/Corners_theorem

    A corner in is a set of points of the form {} {+:}, where , …, is the standard basis of , and . The natural extension of the corners theorem to this setting can be shown using the hypergraph removal lemma , in the spirit of Solymosi's proof.

  3. Corner-point grid - Wikipedia

    en.wikipedia.org/wiki/Corner-point_grid

    A trivial example of a Corner-point grid with only two cells. In geometry, a corner-point grid is a tessellation of a Euclidean 3D volume, where the base cell has 6 faces ().. A set of straight lines defined by their end points define the pillars of the corner-point grid.

  4. Extreme point - Wikipedia

    en.wikipedia.org/wiki/Extreme_point

    In mathematics, an extreme point of a convex set in a real or complex vector space is a point in that does not lie in any open line segment joining two points of . In linear programming problems, an extreme point is also called vertex or corner point of S . {\displaystyle S.} [ 1 ]

  5. Polyhedron - Wikipedia

    en.wikipedia.org/wiki/Polyhedron

    Nevertheless, there is general agreement that a polyhedron is a solid or surface that can be described by its vertices (corner points), edges (line segments connecting certain pairs of vertices), faces (two-dimensional polygons), and that it sometimes can be said to have a particular three-dimensional interior volume.

  6. Triangle - Wikipedia

    en.wikipedia.org/wiki/Triangle

    A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry.The corners, also called vertices, are zero-dimensional points while the sides connecting them, also called edges, are one-dimensional line segments.

  7. Centroid - Wikipedia

    en.wikipedia.org/wiki/Centroid

    Draw a line joining the centroids. The centroid of the shape must lie on this line . Divide the shape into two other rectangles, as shown in fig 3. Find the centroids of these two rectangles by drawing the diagonals. Draw a line joining the centroids. The centroid of the L-shape must lie on this line .

  8. Line array - Wikipedia

    en.wikipedia.org/wiki/Line_array

    A line array is a loudspeaker system that is made up of a number of usually identical loudspeaker elements mounted in a line and fed in phase, to create a near-line source of sound. The distance between adjacent drivers is close enough that they constructively interfere with each other to send sound waves farther than traditional horn-loaded ...

  9. Voronoi diagram - Wikipedia

    en.wikipedia.org/wiki/Voronoi_diagram

    When two cells in the Voronoi diagram share a boundary, it is a line segment, ray, or line, consisting of all the points in the plane that are equidistant to their two nearest sites. The vertices of the diagram, where three or more of these boundaries meet, are the points that have three or more equally distant nearest sites.