Présentation de 8639.jps

/syracuse/bbgraf/tmp/8639.jpg
25 setxunit 7.5 setborder 90 setangle_repere -20 20 setxrange -20 20 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# 1/(1+t) + 1/t } def /Y {settvar #rpn# 1/(t-1) + 1/t } def 100 neg 100 {X} {Y} Courbeparam