%% auteur :
%% PhS
%%
%% échelle et étendue de l'image
60 setxunit
-1 6 setxrange
-1 4 setyrange
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% DANGER !! Il ne faut pas utiliser de variables
%% DANGER !! qui commence par les lettres :
%% DANGER !! xmin, xmax, ymin et ymax...
%% DANGER !! Utiliser x_min, y_min...
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% procédures
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% on donne ici x(t)
/xdet {
1 dict begin
/t exch def
t
end
} def
%% on donne ici y(t)
/ydet {
1 dict begin
/t exch def
t dup mul dup mul -0.05 mul t dup mul 0.4 mul add t -0.3 mul add 1.5 add
end
} def
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% définitions des couleurs
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%/coul1 {120 255 div 70 255 div 9 255 div setrgbcolor} def
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% tracés
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% tracé des axes et du point Origine
1 setlinewidth
15 setfontsize
noir
continu
traceaxes
marks
tracerepere
2 setlinewidth
%coul1
continu
-2 2.5 settrange
{xdet 2.5 add} {ydet} courbeparam
/fillstyle {hachure} def
0.5 5 {-2.5 add ydet} Fillcourbe
1 setlinewidth
noir
continu
[0.5 0 0.5 -2 ydet] (-) ligne
[5 0 5 2.5 ydet] (-) ligne
2 setlinewidth
[0 1.836 5.5 1.836] (-) ligne
1 setlinewidth
pointilles
[5 2.5 ydet 5 1.836] (-) ligne
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% texte
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
setTimesItalic
noir
$\mu=\displaystyle\frac{1}{b-a}\int_{a}^{b}f(x)\;dx$
4 3 [1.5 dup] cctexlabel
$a$
0.5 -0.3 [2 dup] cctexlabel
$b$
5 -0.4 [2 dup] cctexlabel
$\mu$
0 1.8 [2 dup] cltexlabel