Présentation de 3239.jps

/syracuse/var/syracuse/bbgraf/tmp/3239.png
25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -5 5 setyrange /quadrillagegray 0.4 def 1 setquadrillagexstep 1 setquadrillageystep quadrillage 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu rouge /X {settvar #rpn# 4 * Cos (5*t) } def /Y {settvar #rpn# 4 * Sin (8*t) } def 0 pi {X} {Y} Courbeparam