Scalar
Definition of Scalar
- A scalar is a quantity, which has only magnitude but no direction.
- In other words, a scalar is just a constant.
More about Scalar
- Scalar Multiplication: Scalar multiplication is the multiplication of any m ´ n matrix by a scalar quantity.
The following are examples of scalar multiplication.
, Where k is a scalar

Solved Example on Scalar
Find the scalar product of - 7 and the square matrix
.
Choices:
A. 
B. 
C. 
D. 
Correct Answer: A
Solution:
Step 1: 
Step 2:
[The scalar product of k and matrix A is kA.]
Step 3: 