Fichier 110.jps — Modifié le 11 Mars 2006 à 10 h 53
%% PhS
%% fig_S_cours_ch03_equations_differentieles_03_v01.jps
40 setxunit
-1 7 setxrange
-1.5 5 setyrange
tracerepere
marks
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%% definitions des couleurs
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/coul1 {120 255 div 70 255 div 9 255 div setrgbcolor} def
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%% procédures
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%% parametrage de la courbe
/xdet {
1 dict begin
/t exch def
t
end
} def
/ydet_1 {
1 dict begin
/t exch def
t 3 div dup dup mul add Exp 0.5 mul
end
} def
/ydet_2 {
1 dict begin
/t exch def
t Sin 1.5 mul 2 add
end
} def
%% tracé de la courbe intégrale
1 setlinewidth
rouge
continu
-0 3 settrange
{xdet} {ydet_1} courbeparam
3 6 settrange
{xdet} {ydet_2} courbeparam
orange
[3 -0.5 3 4] ligne
[6 -0.5 6 2] ligne
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%% texte
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setTimesItalic
noir
<latex>
O
</latex>
0 0 [1.5 dup] dltexlabel
<latex>
$\beta$
</latex>
3 -0.5 [1.5 dup] dctexlabel