formula_header.tex

\documentclass{article}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{mathtools}
\usepackage{cancel}
\usepackage{tikz}
\usepackage{hyperref}
\usepackage{circuitikz}
\usepackage{float}
\usepackage{afterpage}
\usepackage{pgfplots}
\pgfplotsset{compat=1.16}
\usepackage{textcomp}
\usepackage{geometry}

\usepackage{tabularx}
\usepackage{booktabs}

\usepackage{esdiff}
\usepackage{siunitx}

\usepackage{caption}
\usepackage{subcaption}
\pagenumbering{gobble}


\DeclareMathOperator*{\argmin}{argmin}

\geometry{
    a4paper,
    left=10mm,
    top=10mm,
    right=10mm,
    bottom=15mm
}
\setlength{\extrarowheight}{5pt}

\newcommand{\deriv}[2]{\frac{d{#1}}{d{#2}}}

\newcommand{\prob}[1]{\mathbb{P}\left[#1\right]}
\newcommand{\pr}[1]{\text{Pr}\left\{#1\right\}}
\newcommand{\expect}[1]{\mathbb{E}\left[#1\right]}
\newcommand{\var}[1]{Var\left(#1\right)}
\newcommand{\cov}[1]{Cov\left(#1\right)}