Norm

## Definition

The norm of the vector $\vec a = \left( {{a_1},{a_2},...,{a_n}} \right)$ is defined by the inner product:

(1)
\begin{align} ‖\vec a‖ = \vec a \cdot \vec a \end{align}
page revision: 1, last edited: 19 Jun 2011 10:54