Présentation de 6526.jps

/syracuse/bbgraf/tmp/6526.jpg
25 setxunit 7.5 setborder 90 setangle_repere -5 15 setxrange -5 5 setyrange /quadrillagegray 0.4 def 1 setquadrillagexstep 1 setquadrillageystep quadrillage 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# (Cos (t))^2 - ln (abs (Sin (t))) } def /Y {settvar #rpn# Sin (t) } def 10 neg 10 {X} {Y} Courbeparam