__Main Types of Matrix__1. Square matrix

Square matrix is a matrix in which number of rows and number of columns are equal .

2. Rectangular matrix

Rectangular matrix is a matrix in which the number of rows and number of columns are not equal.

3. Diagonal matrix

Diagonal matrix is a matrix in which all element is zero except main diagonals.

4. Identity matrix

Identity matrix is a matrix in which all main diagonal are equal

5. unit matrix

Unit matrix is a matrix in which main diagonals are equal to one

6. zero matrix

Zero matrix is matrix in which all elements of matrix are equal to zero.

7. Transpose of matrix

If rows changed into columns and columns changed into rows after this a new matrix comes into existance that is called transpose of matrix.

8. Symmatric matrix

If a matrix and his transpose equal then this matrix is called symmatric matrix

9. Submatrix

If from a big matrix we separate some rows or columns and we make a matrix this is called submatrix .