
1. Identity Matrix: A square matrix in which each element along the principal diagonal is '1' and all the other elements are zero is called a identity matrix or unit matrix.
2. Square matrix:
3. Scalar Matrix:
4. Transpose of a Matrix:
5. Skew Symmetric Matrix: 6. If A and B are two matrices such that the number of columns in A is equal to the number of rows in B, then only matrix multiplication is possible in A and B. 7. Two matrices are equal if and only if they are of the same order and their corresponding elements are equal. Directions: Answer the following questions. Also write five examples of each matrix. 