commands.tex

\newcommand{\kbox}[1]{
	\begin{center}
		\fbox{
			\begin{minipage}{0.8\textwidth}
				#1
			\end{minipage}
		}
	\end{center}
}

\newcommand{\Lra}{\Leftrightarrow}
\newcommand{\Ra}{\Rightarrow}
\newcommand{\ra}{\rightarrow}
\newcommand{\La}{\Leftarrow}
\newcommand{\la}{\leftarrow}
\newcommand{\so}{S\text{ø}}
\renewcommand{\dim}{\text{dim}\,}
\newcommand{\V}{\mathit{V}}

\newcommand{\norm}[1]{\lVert#1\rVert}
\renewcommand{\vec}[1]{\mathbf{#1}}
\newcommand{\spn}{\text{Span}}

\newcommand{\sV}{\mathcal{V}}
\newcommand{\sW}{\mathcal{W}}
\newcommand{\vv}{\vec{v}}
\newcommand{\mat}{\text{Mat}}
\newcommand{\adj}{\text{adj}}
\newcommand{\rang}{\text{rang}}
\newcommand{\nul}{\text{nul}}

\newcommand{\row}[1]{\text{Ræ}(#1)}
\newcommand{\sor}[1]{\text{Sø}(#1)}
\newcommand{\geo}[1]{\text{Geo}_{#1}}
\newcommand{\alg}[1]{\text{Alg}(#1)}
\newcommand{\ol}[1]{\overline{#1}}
\newcommand{\abs}[1]{\lvert#1\rvert}

\newcommand{\inpro}[2]{\langle#1\;,\:#2\rangle}
\renewcommand{\text}[1]{\textsf{#1}}