Présentation de 6412.jps

/syracuse/bbgraf/tmp/6412.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# 3*cos(t)-cos(3*t) } def /Y {settvar #rpn# 3*sin(t)-sin(3*t) } def 2 pi mul neg 2 pi mul {X} {Y} Courbeparam