-1.5 2.5 setyrange
60 setxunit
60 setyunit
15 setfontsize
/quadrillagewidth[.7 .4 .1] def
[1 1 .5 .5 .5 .5]{.4 setgray} Quadrillage
1.2 setlinewidth
%0.5 0.5 setsubtkstep
traceaxes
ticks
marks
tracerepere
axesarrow
/A{-5 1} def
/B{-4 0} def
/C{-3.5 -.5} def
/D{-3 -1} def
/E{-2.5 -.5} def
/F{-2 0} def
/G{-1.5 1} def
/H{-.5 2} def
/I{0 1.5} def
/J{0.5 1} def
/K{1 0} def
/L{2 -.5} def
1.3 setlinewidth
[A{-60 dir} .. B .. C .. D{right} .. E .. F .. G .. H{right}.. I .. J .. K .. L] draw
[A B C D E F G H I J K L] points
<tex>
$C_f$
</tex>
7 4 [1.5 dup] dctexlabel
setTimes
%(1) 1 0 [1.5 1.5] dtext
%(1) 0 1 [1.5 1.5] ltext
(O) O [1 1] dltext
setTimesItalic
(x) xmax 0 (-10 0) ultext
(y) 0 ymax (0 -10) drtext
<tex>
$\mathscr{C}_f$
</tex>
-4.5 .9 [1.5 dup] dctexlabel
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