Présentation de 1509.jps

/syracuse/bbgraf/tmp/1509.jpg
100 setxunit 7.5 setborder 90 setangle_repere -1.5 1.5 setxrange -1.5 1.5 setyrange .5 0.5 settkstep .25 .25 setsubtkstep 1 1 setmkstep ticks subticks marks traceaxes axesarrow /R {settvar #rpn# 1+3.4*Sin(10*t) } def 0 2 pi mul settrange gsave .75 setlinewidth continu bleu (R) courbepolar grestore