Matrix

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, or the rock material in which a fossil, gem etc. is embedded
• Matrix isolation, a continuous solid phase in which particles (precipitates, etc.) are embedded
• Metal matrix composite, a type of composite material

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, a type of printer or display, usually of text
• 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
• Matrix (jazz group), a jazz group established in 1974
• The Matrix (record production team) - A music production/songwriting team
• Alfa Matrix, a record label
• Matrix (Doctor Who), an advanced computer network and a virtual reality environment from the British television series Doctor Who
• Matrix (Doctor Who novel), a Doctor Who novel by Robert Perry and Mike Tucker
• M@rix (pronounced Matrix) the 1997 album by the German band P.A.L.
• The Matrix (franchise), a series of films, video games and comic books
  • 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
  • The Matrix: Music from the Motion Picture, one of the two 1999 soundtrack albums from the film The Matrix
  • The Animatrix, a compilation of nine animated short films, based on The Matrix series
• Matrix (TV series), Canadian-produced fantasy/adventure series
• Matrix (club), a large music club which opened in 1996 in Berlin
• The Matrix (club), a historic San Francisco nightclub, open from 1965 to 1972
• The Matrix, nickname of American basketball player Shawn Marion
• The Matrix, nickname of Italian footballer Marco Materazzi
• John Matrix, Arnold Schwarzenegger's character in Commando
• Supergirl (Matrix), character appearing in DC Comics
• "Matrix", A track by Chick Corea, first recorded on his album Now He Sings, Now He Sobs
• Matrix of Leadership, an object owned by Autobot leaders in the Transformers Universe
• Matrix, the surname of two of the main characters in the CGI cartoon ReBoot
• Matrix, a term used in the 1984 science fiction novel Neuromancer to describe what is today referred to as virtual reality

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
• Matrix Chambers, a set of barristers' chambers in London
• Matrix Partners, a US based private equity investment firm
• Toyota Matrix
• Hyundai Matrix
• Matrix Business Technologies, a telecommunications company and internet service provider
• Matrix Software, a Japanese video game company founded in 1994
• MATRIX: Northern Ireland Science Industry Panel, a business-led expert panel

See also

• Array (disambiguation)
• Grid (disambiguation)

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.