Présentation de 1408.jps

/syracuse/bbgraf/tmp/1408.jpg
25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -10 10 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 ) - Cos (8* t) } def /Y {settvar #rpn# 8* Sin (t) - Sin (8 * t) } def 0 2 pi mul {X} {Y} Courbeparam