% Equations for l2norm-kernel-v1
\section{Equations: l2norm-kernel-v1}

\subsection{l2norm}
\label{eq:l2norm}

\begin{equation}
  ||x|| = \sqrt{\sum x_i²}
\end{equation}

\textbf{Domain:} $x \in \mathbb{R}^n$

\textbf{Codomain:} $[0, ∞)$

\textbf{Invariants:}
\begin{itemize}
  \item $||x|| \geq 0$
  \item $||\alpha·x|| = |\alpha|·||x||$
  \item $||0|| = 0$
\end{itemize}

