XII Maths Chapter 3. Matrix | Page 2

Matrices
Matrices
It is a mode of representing Data to ease calculation.
It is used in the field of Computer Science, Geometry, Finance, Science etc
A matrix is an ordered rectangular array of numbers or functions. The numbers or functions are called the elements or the entries of the matrix.
The horizontal lines of elements are said to constitute, rows of the matrix and the vertical lines of elements are said to constitute, columns of the matrix. A matrix having m rows & n columns is called a matrix of order m × n or simply m × n matrix
General representation of Matrices m xn is