Matrix may refer to:

The sciences

• Matrix (mathematics), a rectangular array of scalars
• Matrix (biology), the material between animal or plant cells or the material in the inner membrane of a mitochondria
• Matrix (geology), the fine grains between larger grains in igneous or sedimentary rocks
• Matrix (chemistry), a continuous solid phase in which particles (precipitates, etc.) are embedded
• Extracellular matrix, any material part of a tissue that is not part of any cell

Technology

• Matrix (sound recording), a disc in the early stages of processing a record for mass production
• Matrix (printing), a mold for shaping the letters
• Matrix (numismatics), an intermediate into which the design of a coin is engraved

The arts

• The Matrix series, the film series made by Larry and Andy Wachowski consisting of The Matrix, The Matrix Reloaded, and The Matrix Revolutions
• Matrix (fictional universe), the world referred to in the Matrix series
• 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
• The Matrix (music producer), a music production team
• Matrix (artist), a UK drum and bass producer
• Matrix (music), an element of variations which does not change, especially in folk and popular music
• Autobot Matrix of Leadership, a talisman in the fictional Transformers Universe
• M@rix (pronounced Matrix) the 1997 album by the German band P.A.L.
• An information database in William Ford Gibson's novels
• One of the incarnations of Supergirl in DC Comics
• The 1997 remix album by the German band Haujobb
• The Matrix, a book on computer networks by John Quarterman
• The name adopted by a game-aged Enzo in the third season of the television series ReBoot
• John Matrix, Arnold Schwarzenegger's character in the movie Commando

Other

• Growth-share matrix - Boston Consulting Group analysis technique for business strategy
• Toyota Matrix, an automobile produced by Toyota
• Matrix management, an organizational management style
• Metal matrix composite, a type of composite material
• A hair styling product line of the L'Oréal Group
• Nickname of NBA player Shawn Marion
• A housing development in Glasgow, Scotland, inspired by Le Corbusier's Unite d'Habitation and designed by Davis Duncan Architects
• MATRIX, the acronym for Multistate Anti-Terrorism Information Exchange

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