Matrix -

: Used to store multi-dimensional arrays, such as pixel data in images or tables of statistical variables.

In mathematics, a matrix is a rectangular grid or array of numbers, symbols, or expressions arranged in . It is a foundational tool in linear algebra and computer science for: matrix

) and surrounded by square brackets. An entry is identified as aija sub i j end-sub is the row and is the column. How to Write a System in Matrix Form - Dummies.com : Used to store multi-dimensional arrays, such as