concave polyhedron

См. также в других словарях:

• concave polyhedron — noun a polyhedron some of whose plane sections are concave polygons • Hypernyms: ↑polyhedron …   Useful english dictionary

• Star polyhedron — In geometry, a star polyhedron is a polyhedron which has some repetitive quality of nonconvexity giving it a star like visual quality.There are two general kinds of star polyhedron: *Polyhedra which self intersect in a repetitive way. *Concave… …   Wikipedia

• Linear programming — (LP, or linear optimization) is a mathematical method for determining a way to achieve the best outcome (such as maximum profit or lowest cost) in a given mathematical model for some list of requirements represented as linear relationships.… …   Wikipedia

• Vertex (geometry) — For vertices in the geometry of curves, see Vertex (curve). For other uses of the word, see Vertex (disambiguation). In geometry, a vertex (plural vertices) is a special kind of point that describes the corners or intersections of geometric… …   Wikipedia

• Polygon — For other uses, see Polygon (disambiguation). Some polygons of different kinds In geometry a polygon (   …   Wikipedia

• Dihedral angle — In aerospace engineering, the dihedral is the angle between the two wings; see Dihedral (aircraft). In geometry, a dihedral or torsion angle is the angle between two planes. Figure 1: Dihedral angle of three vectors, defined as an exterior… …   Wikipedia

• List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… …   Wikipedia

• Defect (geometry) — For other uses, see Defect. In geometry, the (angular) defect (or deficit or deficiency) means the failure of some angles to add up to the expected amount of 360° or 180°, when such angles in the plane would. The opposite notion is the excess.… …   Wikipedia

• Star polygon — Set of regular star polygons {5/2} {7/2} …   Wikipedia

• Honeycomb (geometry) — In geometry, a honeycomb is a space filling or close packing of polyhedral or higher dimensional cells , so that there are no gaps. It is an example of the more general mathematical tiling or tessellation in any number of dimensions. Honeycombs… …   Wikipedia

• Octagrammic crossed-antiprism — Type Uniform polyhedron Faces 2 Octagrams 16 triangles …   Wikipedia