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Index

From Wikipedia, the free encyclopedia
(Redirected from Index (disambiguation))

Index (pl.: indexes or indices) may refer to:

Arts, entertainment, and media

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Fictional entities

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Periodicals and news portals

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Other arts, entertainment and media

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Business enterprises and events

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Finance

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Places in the United States

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Publishing and library studies

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Science, technology, and mathematics

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Computer science

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Economics

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Mathematics and statistics

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  • Index, a number or other symbol that specifies an element of an indexed family or set
  • Index, an element of an index set
  • Index, the label of a summand in Σ-notation of a summation

Algebra

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Analysis

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  • Index, the winding number of an oriented closed curve on a surface relative to a point on that surface
  • Diversity index, a measure of distribution or variety in fields such as ecology or information science
  • Index of a vector field, an integer that helps to describe the behaviour of a vector field around an isolated zero

Number theory

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Statistics

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Other uses in science and technology

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  • Dental indices, standardized scoring systems for tooth problems
  • Indexicality, in linguistics, the phenomenon of a sign pointing to some object in the context in which it occurs
  • Indexing (motion), in mechanical engineering and machining, movement to a precisely known location
  • Refractive index, a measurement of how light propagates through a material
  • Valve Index, a virtual reality headset

Other uses

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See also

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