Figure 20 de la documentation MetaPost (mpman)

Auteurs ou autrices : John D. Hobby, MetaPost development team.

Mise en ligne le 26 janvier 2023

Code

beginfig(19);
numeric ux, uy;
120ux=1.2in; 4uy=2.4in;
draw (0,4uy)--(0,0)--(120ux,0);
pickup pencircle scaled 1pt;
draw (0,uy){right}
for ix=1 upto 8:
..(15ix*ux, uy*2/(1+cosd 15ix))
endfor;
label.bot(btex $x$ axis etex, (60ux,0));
label.lft(btex $y$ axis etex rotated 90,
(0,2uy));
label.lft(
btex $\displaystyle y={2\over1+\cos x}$ etex,
(120ux, 4uy));
endfig;
end.