Présentation de 1449.jps

/syracuse/bbgraf/tmp/1449.jpg
50 setxunit 7.5 setborder 90 setangle_repere -1 1 setxrange -1 1 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# Cos ( 6*t) * Sin (t) } def /Y {settvar #rpn# Sin (3-t) * Sin(19*t) } def 0 2 pi mul {X} {Y} Courbeparam