Présentation de 319.jps

25 setxunit
7.5 setborder
90 setangle_repere
-2 10 setxrange
-2 10 setyrange
[1 1 .5 .5 .1 .1] {orange} Quadrillage
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
/f {setxvar
#rpn#   x^2+1/x-1
} def
gsave
   bleu
   .75 setlinewidth
   pointilles
   {f} courbe
grestore
gsave
   bleu
   continu
   /hstep 4 store
   /hangle 15 store
 2 3  {pop ymax 1 add} {f} Hachcourbes
grestore
2.8 settailletangente
1 {f} tangente
 2 {f} tangente
 3 {f} tangente