# Matrix

Matrix (pl.: matrices or matrixes) or MATRIX may refer to:

## Science and mathematics

* Matrix (mathematics), a rectangular array of numbers, symbols or expressions
* Matrix (logic), part of a formula in prenex normal form
* Matrix (biology), the material in between a eukaryotic organism's cells
* Matrix (chemical analysis), the non-analyte components of a sample
* Matrix (geology), the fine-grained material in which larger objects are embedded
* Matrix (composite), the constituent of a composite material
* Hair matrix, produces hair
* Nail matrix, part of the nail in anatomy

## 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
* Display matrix, picture elements of an information display arranged as a matrix
* 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
* Matrix app, a former app and communications network closed by police in December 2024

## Arts and entertainment
### Fictional entities

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

### Film and television

* Matrix (TV series), a 1993 Canadian fantasy series
* The Matrix, a 1999 science fiction action film
** The Matrix (franchise), an American media franchise developed from the film
** "The Matrix", a fictional setting, a virtual reality environment, within the franchise
* Matrix (talk show), a 2005–2012 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
* The Matrix, a world-wide virtual reality data network in the role playing game Shadowrun

### Literature

* Matrix, a 1969 novel by John Rankine, writing as Douglas R. Mason
* Matrix (Perry and Tucker novel), a 1998 Doctor Who novel by Robert Perry and Mike Tucker
* Matrix: Echoes of Growing Up West, a 2010 collection of poems by Michael R. Collings
* Matrix (Groff novel), a 2021 novel by Lauren Groff
* Matrix (journal), a journal on printing published by Whittington Press
* The Matrix (magazine), published by the Association for Women in Communications
* The Matrix, a 1920 novel by Maria Thompson Daviess
* The Matrix, a 1981 novel by Jo Bannister
* The Matrix, a 1994 novel by Denis MacEoin, writing as Jonathan Aycliffe
* The Matrix, a 2004 non-fiction book about the 1999 film by Joshua Clover

### 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), 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), an American-British production team Specializing in Pop Music.
** The Matrix (album), 2009
* "The Matrix", a Song by Mother Mother From the 2024 Album Grief Chapter.

## Businesses and organisations

* Matrix management is an organizational structure in which some individuals report to more than one supervisor or leader
* 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
* Matrix Concepts, a Malaysian property developer

## 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"

## 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 aircraft

## Other uses

* Multistate Anti-Terrorism Information Exchange (MATRIX), an American data mining system
* 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