_macros.tex

$$
\newcommand{\lr}[1]{\left(#1\right)}
\newcommand{\var}[1]{\textrm{Var}\left[#1\right]}
\newcommand{\esp}[1]{\textrm{E}\left[#1\right]}
\newcommand{\rm}[1]{\textrm{#1}}
\def\bb{\mathbb}
\def\bf{\mathbf}
\def\cl{\mathcal}
$$