\documentclass{standalone} \usepackage{luamplib} \usepackage{dwmpcode} \begin{document} \mplibtextextlabel{enable} \begin{mplibcode} beginfig(1); numeric u, v; u = 40; v = 29; path xx, yy; xx = (3/2 left -- 5 right) scaled u; yy = (3/2 down -- 4 up) scaled v; for x=-1, 1, 2, 3, 4: draw yy shifted (x * u, 0) withcolor 7/8; % grid draw (down--up) shifted (x * u, 0); % ticks label("$" & decimal x & "$", (x * u, -8)); endfor for y=-1, 1, 2, 3: draw xx shifted (0, y * v) withcolor 7/8; % grid draw (left--right) shifted (0, y * v); % ticks label("$" & decimal y & "$", (-10, y * v)); endfor drawarrow xx; label.rt("$x$", point 1 of xx); drawarrow yy; label.top("$y$", point 1 of yy); endfig; \end{mplibcode} \end{document}