Vector Magnitude

In this lesson, we will learn how to find the magnitude of 2-dimensional vectors and 3-dimensional vectors.

Related Topics: More Lessons on Vectors

The length of a vector is called the magnitude or modulus of the vector.



Example:

Express each of the following vectors as a column vector and find its magnitude.

Vectors in 2D

Vectors
Adding vectors geometrically, scalar multiplication, how to find the magnitude and direction angle of a vector.



Vectors : magnitude of a vector in 2D



Vectors in 3D

A vector can also be 3-dimensional.
The following video gives the formula, and some examples of finding the magnitude, or length, of a 3-dimensional vector.





Vectors : Magnitude of a vector 3D





OML Search

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.

Find Tutors

OML Search