25 setxyrapport
25 setxunit
7.5 setborder
90 setangle_repere
-6 15 setxrange
-8 15 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn# (t^2+1)/(t^3-1)
} def
/Y {settvar
#rpn# (2*t)/(t^3-1)
} def
Erreur lexicale !R-{1}
^
Erreur lexicale !R-{1}
^
{X} {Y} Courbeparam
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