Présentation de 337.jps

/syracuse/bbgraf/tmp/337.jpg
25 setxunit 7.5 setborder 90 setangle_repere -3 3 setxrange -3 3 setyrange /quadrillagegray 0.4 def 1 setquadrillagexstep 1 setquadrillageystep quadrillage 1 1 settkstep .25 .25 setsubtkstep 1 1 setmkstep ticks subticks marks traceaxes axesarrow unites /f {setxvar #rpn# x^3-3*x } def gsave bleu .75 setlinewidth pointilles {f} courbe grestore 2.8 settailletangente -2 {f} tangente 2 {f} tangente 0 {f} tangente