Matrix decomposition
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Matrix or MATRIX may refer to:


Science and mathematics

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Matrix (mathematics) In , a matrix (plural matrices) is a array or table of s, s, or s, arranged in rows and columns, which is used to represent a or a property of such an object. For example, \begin1 & 9 & -13 \\20 & 5 & -6 \end is a matrix with two rows and t ...
, a rectangular array of numbers, symbols, or expressions *
Matrix (logic)A formula (mathematical logic), formula of the predicate calculus is in prenex normal form (mathematics), normal form (PNF) if it is written as a string of quantifier (logic), quantifiers and bound variable, bound variables, called the prefix, follow ...
, part of a formula in prenex normal form *
Matrix (biology) In biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular biology, molecular interactions, Physiology, physiological mechanisms, ...
, the material in between a eukaryotic organism's cells *
Matrix (chemical analysis)In chemical analysis Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter. In practice, separation, identification or quantification may constitute the entire analysis or be combined with a ...
, the non-analyte components of a sample *
Matrix (geology) The matrix or groundmass of a rock (geology), rock is the finer-grained mass of material in which larger grains, crystals or clasts are embedded. The matrix of an igneous rock consists of finer-grained, often microscopic, crystals in which larger ...
, the fine-grained material in which larger objects are embedded *
Hair matrixThe hair matrix, or simply matrix, produces the actual hair shaft as well as the inner root sheath, inner and outer root sheaths of hair.James, William; Berger, Timothy; Elston, Dirk (2005) ''Andrews' Diseases of the Skin: Clinical Dermatology'' (10t ...
, produces hair * Nail matrix, part of the nail in anatomy


Arts and entertainment


Fictional entities

* Matrix (comics), two comic book characters * Matrix (Doctor Who), Matrix (''Doctor Who''), a computer system on the planet Gallifrey * Matrix, a character from the Canadian animated TV series ''ReBoot'' * Matrix (Neuromancer), Matrix (''Neuromancer''), a virtual-reality dataspace from the novel * John Matrix, hero of the 1985 film ''Commando (1985 film), Commando'' * Irving Joshua Matrix, a fictitious creation of Martin Gardner


Film and television

* The Matrix (franchise), ''The Matrix'' (franchise), an American media franchise ** ''The Matrix'', a 1999 science-fiction action film *** ''The Matrix: Music from the Motion Picture'', the film's soundtrack album * Matrix (TV series), ''Matrix'' (TV series), a 1993 Canadian fantasy series * Matrix (talk show), ''Matrix'' (talk show), a 2005–12 Italian news and talk show * Matrix of Leadership, in the ''Transformers'' franchise


Games

* ''The Matrix: Path of Neo'', a 2005 action-adventure video game * ''The Matrix Online'', a 2005 online multiplayer video game


Literature

* Matrix (Perry and Tucker novel), ''Matrix'' (Perry and Tucker novel), a 1998 ''Doctor Who'' novel by Robert Perry and Mike Tucker * Matrix (Groff novel), ''Matrix'' (Groff novel), a 2021 novel by Lauren Groff * The Matrix (magazine), ''The Matrix'' (magazine), published by the Association for Women in Communications * ''The Matrix'', a 1994 novel by Denis MacEoin as Jonathan Aycliffe * ''Matrix (journal), Matrix'', a journal on printing published by Whittington Press


Music

* Matrix (band), an American jazz-fusion ensemble * Matrix (musician), a British producer and DJ * Matrix (music), an element in musical variations that remains unchanged * ''matrix'', a 2000 album by Ryoji Ikeda * Matrix (EP), ''Matrix'' (EP), by B.A.P, 2015 * "Matrix", a song by Chick Corea from the 1968 album ''Now He Sings, Now He Sobs'' * "Matrix", a song by Kate Pierson from the 2015 album ''Guitars and Microphones'' * The Matrix (production team), a pop-music production team ** The Matrix (The Matrix album), ''The Matrix'' (The Matrix album), 2009


Businesses and organisations

* Matrix Business Technologies or Matrix Telecom, Inc., an American telecommunications firm * Matrix Chambers, a set of barristers' chambers in London and Geneva * Matrix Feminist Design Co-operative, a London-based architectural collective, 1980–1994 * Matrix Games, an American video game publisher * Matrix Partners, an American private equity investment firm * Matrix Software, or Matrix Corporation, a Japanese video game developer * Matrix (club), a Berlin nightclub opened in 1996 * The Matrix (club), a San Francisco nightclub 1965–1972 * The Matrix Theatre Company, in Los Angeles, California, US


People

* David Krejčí (born 1986), Czech ice hockey player nicknamed "The Matrix" * Shawn Marion (born 1978), American basketball player nicknamed "The Matrix" * Marco Materazzi (born 1973), Italian footballer nicknamed "Matrix"


Technology

* Matrix (mass spectrometry), a compound that promotes the formation of ions * Matrix (numismatics), a tool used in coin manufacturing * Matrix (printing), a mould for casting letters * Matrix (protocol), an open standard for real-time communication * Matrix (record production), or master, a disc used in the production of phonograph records ** Matrix number, of a gramophone record * Diode matrix, a two-dimensional grid of intersecting diodes * Keyboard matrix circuit, a wire grid for determining which key has been pressed on a keyboard * Variable-message sign, known as ''matrix signs'' in the UK


Transportation

* Hyundai Matrix, a multi-purpose road vehicle * Toyota Matrix, a compact hatchback car * PA-46R-350T Matrix, a version of the Piper PA-46#PA-46R-350T Matrix, Piper PA-46 aircraft


Other uses

* Multistate Anti-Terrorism Information Exchange (MATRIX), an American data mining system * Matrix (bandy club), in Hungary * Matrix (magic trick), a close-up magic coin and card trick * Matrix, a brand name of veterinary progestin altrenogest * Oberheim Matrix synthesizers, music keyboards * Castle Matrix, near Rathkeale, County Limerick, Ireland


See also

* * * {{disambiguation