\documentclass[a4paper,10pt]{article}
\RequirePackage[utf8x]{inputenc}
\RequirePackage[french]{babel}
\RequirePackage[T1]{fontenc}
\usepackage{tikz}
\usepackage{pgfplots}
\pgfplotsset{compat = newest}
\usepgfplotslibrary{external} 


\RequirePackage{tkz-tab}
\RequirePackage{tkz-fct}


\title{Snippets pour tikzpicture}
\date{}
\author{Benjamin Bertrand}

\begin{document}

\section{La base}

\begin{tikzpicture}
    % par défaut les unités sont en cm
    % un segment
    \draw (0, 0) -- (1, 0);
    % Coordonnées relatives
    \draw (0, 0) -- ++(0, 1);
    % Coordonnées polaire (angle: rayon)
    \draw (0, 0) -- (45: 1);
    % une figure pleine
    \fill (2, 2) -- (1, 1) -- (2, 3) -- cycle;
    % Un cercle (centre et rayon)
    \draw (4, 1) circle (1);
    % rectangle
    \draw (5, 0) rectangle (6, 6);
\end{tikzpicture}
    
\section{Graphiques de fonctions}


\begin{tikzpicture}
    \begin{axis}[
        axis lines = center,
        %grid = both,
        xlabel = {$x$},
        xtick distance=1,
        ylabel = {$y$},
        ytick distance=1,
        legend pos = north west,
        legend entries={$f(x)$, $g(x)$}
        ]
        \addplot[domain=-6:7,samples=40, color=red, very thick]{-0.1*(x+5)*(x-1)*(x-6)};
    \end{axis}
\end{tikzpicture}


\begin{tikzpicture}
    \begin{axis}[axis x line=bottom,axis y line = left]
    \addplot[ybar,fill=blue,draw=blue,bar width=1cm] coordinates { (1,194) (2,213) (3,251)(4,233) (5,194)}; \end{axis}
\end{tikzpicture} 

\end{document}