Matrix (pl.: matrices or matrixes) most commonly refers to: Matrix (mathematics), a rectangular array of numbers, symbols or expressions. The Matrix (franchise), an American media franchise developed from. The Matrix, a 1999 science-fiction action film. "The Matrix", a fictional setting, a virtual reality environment, within the franchise. Matrix may also refer to: Science and mathematics. 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.
https://en.wikipedia.org/wiki/Matrix