1 setxyrapport
50 setxunit
7.5 setborder
90 setangle_repere
-1.4 2.3 setxrange
-0.55 2.3 setyrange
/quadrillagegray 0.4 def
.5 setquadrillagexstep
.5 setquadrillageystep
quadrillage
1 1 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
0.75 setlinewidth
continu
noir
/X {settvar
#rpn#   t * (ln(t))^3
} def
/Y {settvar
#rpn#   t * (ln(t))^2
} def
 0.00000000001 2.5  {X} {Y} Courbeparam