25 setxunit
7.5 setborder
90 setangle_repere
-3 3 setxrange
-7 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
unites
/f {setxvar
#rpn# (x+1)^3-3*(x+1)-1
} def
/f' {setxvar
#rpn# 3*(x+1)^2 - 3
} def
gsave
noir
.75 setlinewidth
continu
{f} courbe
grestore
2.8 settailletangente
-2 (f) tangente
0 (f) tangente
9 settailletangente
-1 (f) tangente
|