Matrix is a way to store data in an organized form in the form of rows and columns.Mtrices are usually used in computer graphics to project 3 dimensional space onto a 2 dimensional screen.Matrices in the form of arrays are used to store data in an organized form.A matrix is a representation of certain rows and columns,to persist homogeneous data.It can also be called as double dimensioned array.The uses of matrix are to represent class hierarchy using Boolean square matrix,for data encryption and decryption,To represent traffic flow and plumbing in a network,to implement graph theory of node representation.