Fichier 6599.jps — Modifié le 27 Octobre 2009 à 11 h 39

6599.pdf
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250 setwidth
250 setheight
7.5 setborder
-1.2 1.2 setxrange
-1.2 1.2 setyrange
jpegmode
/quadrillagegray 0.6 def
.2 setquadrillagexstep
.2 setquadrillageystep
quadrillage
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
/R {settvar
    t sin t sin mul t cos t cos mul add .1 200 pi add t mul sin mul add
} def
  0  2 pi mul settrange
gsave
   4 setcurvelinewidth
   continu
   magenta
   (R) courbepolar
grestore