preamble.tex

%%%%% IMPORTS %%%%%
% \usepackage{fourier} % Cool font
\usepackage{graphicx} % Required for inserting images
\usepackage{hyperref} % Required for \href for hyperlinks
\usepackage{amsmath, amsthm, amsfonts} % amsthm is for theorems. amsfonts is for \mathbb (etc.)

% Define theorem and corollary environments
% Required args in {}.
% Optional arg in [] defines numbering.
\newtheorem{theorem}{Theorem}[section]
\newtheorem{corollary}{Corollary}[theorem]

\newcommand{\R}{\mathbb{R}}
% [2] means 2 arguments
% #1 means first argument and #2 means second argument
\newcommand{\cv}[2]{\begin{bmatrix}#1\\#2\end{bmatrix}}

\usepackage{listings} % For code listings

\usepackage[
backend=biber,
style=alphabetic,
sorting=ynt
]{biblatex} % Bibliography
\addbibresource{refs.bib}


%%%%%%%%%% IGNORE %%%%%%%%%%
\usepackage{xcolor}

\definecolor{codegreen}{rgb}{0,0.6,0}
\definecolor{codegray}{rgb}{0.5,0.5,0.5}
\definecolor{codepurple}{rgb}{0.58,0,0.82}
\definecolor{backcolour}{rgb}{0.95,0.95,0.92}

\lstdefinestyle{mystyle}{
    backgroundcolor=\color{backcolour},   
    commentstyle=\color{codegreen},
    keywordstyle=\color{magenta},
    numberstyle=\tiny\color{codegray},
    stringstyle=\color{codepurple},
    basicstyle=\ttfamily\footnotesize,
    breakatwhitespace=false,         
    breaklines=true,                 
    captionpos=b,                    
    keepspaces=true,                                     
    numbersep=5pt,                  
    showspaces=false,                
    showstringspaces=false,
    showtabs=false,                  
    tabsize=2
}

\lstset{style=mystyle}

\usepackage{tcolorbox} % Theorem boxes
\tcbuselibrary{theorems}
\newtcbtheorem[number within=subsection]{exercise}{Exercise}{colback=magenta!5, colframe=magenta!35!black,fonttitle=\bfseries}{th}
\newtcbtheorem[number within=subsection]{solution}{Solution}{colback=green!5, colframe=green!35!black,fonttitle=\bfseries}{th}

\usepackage{commath}
%%%%%%%%%% IGNORE %%%%%%%%%%