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.
For example, is a matrix having 6 elements. In this matrix, number of rows = 2 and number of columns = 3A matrix having m rows and n columns is called a matrix of order m × n. In such a matrix, there are mn numbers of elements.
For example, the order of the matrix is 3 × 2 as the numbers of rows and columns of this matrix are 3 and 2 respectively.A matrix A is said to be a row matrix, if it has only one row. In general, is a row matrix of order 1 × n.
For example, is a row matrix of …
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