25 setxunit
7.5 setborder
90 setangle_repere
0 50 setxrange
0 50 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn# 4 * Cos (2*t)
} def
/Y {settvar
#rpn# 4 * Sin (8*t)
} def
0 pi {X} {Y} Courbeparam
|