Présentation de 4474.jps

/syracuse/bbgraf/tmp/4474.jpg
25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -5 5 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# 2 * cos (t) * (1+ cos(t)) } def /Y {settvar #rpn# 2 * sin (t) * (1+ cos(t)) } def 0 pi {X} {Y} Courbeparam