Présentation de 1469.jps

/syracuse/bbgraf/tmp/1469.jpg
100 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 /R {settvar #rpn# (Sin (t))^2+((Cos(t))^2+1)*Sin(100*pi*t) } def 0 2 pi mul settrange gsave .75 setlinewidth continu bleu (R) courbepolar grestore