Présentation de 1427.jps

/syracuse/bbgraf/tmp/1427.jpg
25 setxunit 7.5 setborder 90 setangle_repere -15 15 setxrange -15 15 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# 8 * Cos (t) - 5* Cos (8/3*t) } def /Y {settvar #rpn# 8 * Sin (t) - 5* Sin (8/3*t) } def 0 10 pi mul {X} {Y} Courbeparam