outer product

[lectures/latex.git] / physics_compact / math_app.tex

diff --git a/physics_compact/math_app.tex b/physics_compact/math_app.tex
index 079d8d9..edee2ff 100644 (file)
--- a/physics_compact/math_app.tex
+++ b/physics_compact/math_app.tex
@@ -37,13 +37,14 @@ The addition of two vectors is called vector addition.
 \subsection{Dual space}
 
 \subsection{Inner and outer product}
+\label{math_app:product}
 
 \begin{definition}
 The inner product ...
 \end{definition}
 
 \begin{definition}
-The outer product ...
+If $\vec{u}\in U$ and $\vec{v}\in V$ are vectors within the respective vector spaces and $V^{\dagger}$ is the dual space of $V$, the outer product of $\vec{u}$ and $\vec{v}$ is defined as the tensor product ...
 \end{definition}
 
 \section{Spherical coordinates}