Présentation de 388.jps

/syracuse/bbgraf/albums/belles_02/388.jpg
100 setxunit 7.5 setborder 90 setangle_repere -1.2 1.2 setxrange -0.5 0.5 setyrange 0.5 0.2 settkstep 0.1 .1 setsubtkstep 0.5 0.2 setmkstep ticks subticks marks traceaxes axesarrow 1.75 setlinewidth continu bleu /X {settvar #rpn# Sin(t)*(1+Cos(t)*Cos(t)) } def /Y {settvar #rpn# Sin(t)*Sin(t)*Cos(t) } def 0 2 pi mul {X} {Y} Courbeparam