preamble.tex

\usepackage{booktabs}
\usepackage{amsthm}
\usepackage{amsmath}
\usepackage[pagebackref=true,breaklinks=true,letterpaper=true,colorlinks,bookmarks=true]{hyperref}
\usepackage{tcolorbox}
\usepackage{color}
\usepackage{framed}
\setlength{\fboxsep}{.8em}
\makeatletter
\def\thm@space@setup{%
  \thm@preskip=8pt plus 2pt minus 4pt
  \thm@postskip=\thm@preskip
}
\makeatother

% \newcommand{\Real}[1]{\mathbb{R}^{#1}}
% \newcommand{\sym}[1]{\mathbb{S}^{#1}}
% \newcommand{\psd}[1]{\sym{#1}_{+}}
% \newcommand{\pd}[1]{\sym{#1}_{++}}
% \newcommand{\inprod}[2]{\langle #1, #2 \rangle}
% \newcommand{\linprod}[2]{\left\langle #1, #2 \right\rangle}
% \newcommand{\trace}{\mathrm{tr}}
% \newcommand{\tran}{^\top}
% % \newcommand{\det}{\mathrm{det}}
% \newcommand{\rank}{\mathrm{rank}}
% \newcommand{\diag}{\mathrm{diag}}

\newtcolorbox{examplebox}{
  colback=green,
  colframe=orange,
  coltext=black,
  boxsep=5pt,
  arc=4pt}

\newtcolorbox{theorembox}{
  colback=green,
  colframe=green,
  coltext=black,
  boxsep=5pt,
  arc=4pt}

\newtcolorbox{definitionbox}{
colback=white,
colframe=green,
coltext=black,
boxsep=5pt,
arc=4pt}