An array of numbers or other mathematical functions multiplied according to certain rules
[DOC] [TLE] An Etymological Dictionary of Astronomy and Astrophysics - 1 [PAR] 1) An orderly array of numbers, algebraic symbols, or mathematical functions, 
especially when such arrays are added and multiplied according to certain rule;... [DOC] [TLE] Matrix - definition of matrix by The Free Dictionary [PAR] Mathematics A rectangular array of numeric or algebraic quantities subject to 
mathematical ... 6. a crystalline phase in an alloy in which other phases are 
embedded.