Présentation de 7561.jps

/syracuse/bbgraf/tmp/7561.jpg
30 setxunit 7.5 setborder -1.5 1.5 setxrange -1.5 1.5 setyrange 1 1 settkstep .5 .5 setsubtkstep 1 1 setmkstep ticks subticks marks traceaxes axesarrow 0.75 setlinewidth continu bleu /X {settvar #rpn# Cos (t)^3 } def /Y {settvar #rpn# Sin (t) ^3 } def 0 2 pi mul {X} {Y} Courbeparam