Matrix Introduction


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.

eg a 2X2 Matrix is as follows:

In the above matrix, the horizontal line of elements is called rows and vertical line of elements is called columns. The above matrix thus has 2 rows and 2 columns


1.1 Order of Matrix

A matrix having m rows and n columns is called a matrix of order m × n or simply m × n matrix.


eg in the matrix given as follows:


The order of above matrix is 2 X 3, since it has m=2(rows) and n=3(columns)




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