Présentation de 1473.jps

100 setxunit
7.5 setborder
90 setangle_repere
-1 1 setxrange
-1 1 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
/R {settvar
#rpn#   1+.1*Sin(200*pi*t)
} def
 0 2 pi mul  settrange
gsave
   .75 setlinewidth
   continu
   bleu
   (R) courbepolar
grestore