25 setxunit
7.5 setborder
90 setangle_repere
-5 5 setxrange
-5 5 setyrange
1 1 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn# (t-sin(t))/t^2
} def
/Y {settvar
#rpn# (1-cos(t))/t^2
} def
0 80 pi mul {X} {Y} Courbeparam
|