HOW TO FIND DIMENSIONS OF A MATRIX

The dimension of matrix will be represented as m x n.

Here

• m represents number of rows
• n represents number of columns

• Dimension of matrix A is 2 x 2.
• Dimension of matrix B is 2 x 3

State the dimensions of each matrix.

Problem 1 :

Solution:

2 rows

2 columns

2 × 2

Problem 2 :

Solution:

1 row

4 columns

1 × 4

Problem 3 :

Solution:

2 rows

4 columns

2 × 4

Problem 4 :

Solution:

3 rows

3 columns

3 × 3

Problem 5 :

Solution:

3 rows

2 columns

3 × 2

Problem 6 :

Solution:

4 rows

3 columns

4 × 3