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For the use of the name "Matrix" in reference to a person, character, organization or product, see Matrix (name).

Look up matrix in Wiktionary, the free dictionary.

Contents [hide] 1 Science and mathematics 2 Technology 3 Arts and entertainment 4 Other 5 See also

A matrix is an array or grid. An archaic usage is a breeding animal or a womb.
Matrix may refer to:

Science and mathematics

• Matrix (mathematics), a mathematical object generally represented as an array of numbers
  • Matrix calculus, a notation for calculus operations on matrix spaces
  • Identity matrix
  • Similarity matrix, which scores the similarity between two data points
  • A number of bioinformatic related matrices, including:
    • Position-specific scoring matrix, which represents a pattern or motif in biological sequences
    • Substitution matrix, which estimates the rate at which each possible residue in a biological sequence changes to each other residue over time
    • PAM matrix, or Point Accepted Mutation matrix, used in scoring sequence alignments
    • BLOSUM (BLOcks of Amino Acid SUbstitution Matrix), also used in scoring sequence alignments
• Matrix (biology), with numerous meanings, often referring to a biological material where specialized structures are formed or embedded
  • Extracellular matrix, any material part of a tissue that is not part of any cell
  • Mitochondrial matrix, the inner part of a mitochondrion, where the Krebs cycle takes place
  • Osteon or bone matrix, a form of connective tissue found in bone
  • Nuclear matrix, an insoluble fraction of the cell nucleus
  • Germinal matrix, an embryonic brain tissue
  • Matrix, another term for a bacterial growth medium
• Matrix (archeology), the soil or sediment surrounding a dig site
  • Harris matrix, an archaeological tool used to describe sediment deposition over time
• Matrix (chemical analysis), the discarded portion of a sample used for chemical analysis
• Matrix (geology), the fine grains between larger grains in igneous or sedimentary rocks
• Matrix isolation, a continuous solid phase in which particles (precipitates, etc.) are embedded
• Metal matrix composite, a type of composite material

• • Matrixes**, These are a special form of Mathematical problems that were created by German Scientist Kyle Viehewager.

Technology

• Multistate Anti-Terrorism Information Exchange (MATRIX), a database of US Citizens
• Matrix (numismatics), an intermediate into which the design of a coin is engraved
• Matrix (printing), a mold for shaping the letters
• Dot matrix, an outdated printer type or display
• Matrix decoder, a technology which allows a finite number of audio channels to be decoded to a greater amount of audio channels (i.e. Dolby or Quadraphonic)
• Matrix (or matrix master), a master disc used in the production of gramophone records
• Matrix Switch, a crossbar switch connecting multiple inputs to multiple outputs
• Keyboard matrix (music), a device which reduces the number of wires needed for a keyboard

Arts and entertainment

• Matrix (music), an element of variations which does not change, especially in folk and popular music
• Matrix (artist), a British DJ
• The Matrix - A music production/songwriting team
• Matrix (Doctor Who), an advanced computer network and a virtual reality environment from the British television series Doctor Who
• M@rix (pronounced Matrix) the 1997 album by the German band P.A.L.
• The Matrix, a 1999 science fiction/action film
  • The Matrix Reloaded, a 2003 science fiction/action film, sequel to The Matrix
  • The Matrix Revolutions, a 2003 science fiction/action film, sequel to The Matrix Reloaded
  • Matrix soundtrack, one of the two 1999 soundtrack albums from the blockbuster film, The Matrix
  • The Animatrix, a compilation of nine animated short films, based on The Matrix series
• The Matrix (club), a historic San Francisco nightclub, open from 1965 to 1972
• A track by Chick Corea, first recorded on his album Now He Sings, Now He Sobs.
• Variably, the Creation Matrix or The Autobot Matrix of Leadership, a talisman usually held by Optimus Prime in the Transformers metaseries.

Other

• Matrix management, an organizational management style
• Growth-share matrix, a Boston Consulting Group analysis technique for business strategy
• Matrix Season, a rugby union season
• Matrix sign, a variable-message sign on roads in the UK
• Toyota Matrix, a compact hatchback car manufactured by Toyota
• Matrix Chambers

See also

• Matrix (name) (disambiguation)
• Array (disambiguation)
• Grid (disambiguation)

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