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commands.sty
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commands.sty
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\ProvidesPackage{commands}
\newcommand{\MatrixDim}[2]{\operatorname{M}_{#1\,#2}(\mathbb R)}
\newcommand{\Matrix}[1]{\operatorname{M}_{#1}(\mathbb R)}
\newcommand{\Vector}[1]{\mathbb R^{#1}}
\newcommand{\tr}{\operatorname{tr}}
\newcommand{\diag}{\operatorname{diag}}
\newcommand{\spec}{\operatorname{spec}}
\newcommand{\Sym}[1]{\operatorname{S}_{#1}}
\newcommand{\Identity}{\operatorname{Id}}
\newcommand{\sgn}{\operatorname{sgn}}
\newcommand{\dec}{\operatorname{dec}}
\newcommand{\rk}{\operatorname{rk}}
\newcommand{\Hom}{\operatorname{Hom}}
\newcommand{\height}{\operatorname{ht}}
\newcommand{\ev}{\operatorname{ev}}
\newcommand{\Bil}{\operatorname{Bil}}
\newcommand{\SBil}{\operatorname{SBil}}
\newcommand{\ABil}{\operatorname{ABil}}
\newcommand{\Quad}{\operatorname{Quad}}
\newcommand{\pr}{\operatorname{pr}}
\newcommand{\ort}{\operatorname{ort}}
\newcommand{\Vol}{\operatorname{Vol}}
\renewcommand{\Re}{\operatorname{Re}}
\renewcommand{\Im}{\operatorname{Im}}