Présentation de 1388.jps

/syracuse/bbgraf/tmp/1388.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# 4 * Sin (2 * t) } def /Y {settvar #rpn# 4 * Sin (3 * t) * Cos (t) * Cos (2 * t) } def 0 8 pi mul {X} {Y} Courbeparam