# What is the magnitude of numbers all about?

##### 1 Answer

Mar 20, 2018

See below.

#### Explanation:

This is quite a big topic that I will try to explain simply but not completely here.

Put simply, "magnitude" of numbers refers to their size.

First, if we limit ourselves to the real numbers:

Then the magnitude of some

If we now extend to complex numbers:

Then the magnitude of some

where

This concept can be extended further into other spaces, but in all cases the fundamental concept of magnitude is simply one of size - usually relative to other objects in the space.