\documentclass[french,11pt]{report} \usepackage{pgfplots} \usetikzlibrary{calc,angles,positioning,intersections,quotes,decorations.markings} \begin{document} \begin{tikzpicture} \draw [domain=-2:10] grid[step=0.5] (5,5); \foreach \y in {0.25,0.75,...,5}{ \foreach \x in {0.25,0.75,...,5}{ \fill[red] (\x,\y) circle [radius=0.05]; }} \draw[color=gray,decorate,decoration={brace,raise=0.1cm}] (5,0.5) -- (5,0) node[right=0.25, pos=0.5] {Sous-cube de volume $\log(\rho)$}; \end{tikzpicture} \end{document}\end{document} ![alt text][1] [1]: https://texnique.fr/osqa/upfiles/Screenshot_2023-04-18_at_13.11.54.png

\documentclass[french,11pt]{report} \usepackage{pgfplots} \usetikzlibrary{calc,angles,positioning,intersections,quotes,decorations.markings} \begin{document} \begin{tikzpicture} \draw [domain=-2:10] grid[step=0.5] (5,5); \foreach \y in {0.25,0.75,...,5}{ \foreach \x in {0.25,0.75,...,5}{ \fill[red] (\x,\y) circle [radius=0.05]; }} \draw[color=gray,decorate,decoration={brace,raise=0.1cm}] (5,0.5) -- (5,0) node[right=0.25, pos=0.5] {Sous-cube de volume $\log(\rho)$}; \end{tikzpicture} \end{document}