25 setxunit
7.5 setborder
-10 10 setxrange
-10 10 setyrange
jpegmode
/k 8 def
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
0.75 setlinewidth
continu
rouge
/X {settvar
#rpn# k*Cos (t) - Cos (k*t)
} def
/Y {settvar
#rpn# k*Sin (t) - Sin (k*t)
} def
0 2 pi mul {X} {Y} Courbeparam
|