Présentation de 177.jps

/syracuse/bbgraf/albums/phs/177.jpg
%% PhS %% %% échelle et étendue de l'image 60 setxunit -1.2 4.5 setxrange -1.2 4.5 setyrange /xgauche -6 def %% c'est la limite gauche de l'image /xdroite 6 def %% c'est la limite droite de l'image /ybasse -4 def %% c'est la limite basse de l'image /yhaute 4 def %% c'est la limite haute de l'image 10 4 point %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% 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... %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% plages initiales pour les paramètres (peuvent être modifiées pour chaque fonctions tracées /x_min -5 def /x_max 5 def /t_min -9 def /t_max 9 def %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% 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 dup mul mul 0.6 mul end } def %% dessine un bout de droite /bddroite { %% Ax Ay Bx By kg (=proportion vers A) kd (=prop vers B) 8 dict begin /kd exch def /kg exch def /By exch def /Bx exch def /B {Bx By} def /Ay exch def /Ax exch def /A {Ax Ay} def gsave [A A B vecteur kg mulv addv A A B vecteur kd mulv addv] ligne grestore 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 -1.5 2 settrange {xdet 2.1 add} {ydet 0.7 add} courbeparam orange -1.5 2 settrange {ydet 0.7 add} {xdet 2.1 add} courbeparam vert 1 setlinewidth [1.1 0.7 3.1 0.7] (<->) ligne [0.7 1.1 0.7 3.1] (<->) ligne [3.5 1.4 ydet 0.7 add -0.35 -1.2 addv 3.5 1.4 ydet 0.7 add 0.35 1.2 addv] (<->) ligne [1.4 ydet 0.7 add 3.5 -1.2 -0.35 addv 1.4 ydet 0.7 add 3.5 1.2 0.35 addv] (<->) ligne noir [2.1 0.7 0.7 2.1 3.5 1.4 ydet 0.7 add 1.4 ydet 0.7 add 3.5] points rouge mixte [-3 -3 6 6] (-) ligne %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% texte %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% setTimesItalic coul1 <latex> $\mathcal{C}_f$ </latex> 3.9 1 [3 dup] cctexlabel orange <latex> $\mathcal{C}_{f^{-1}}$ </latex> 1 3.9 [3 dup] cctexlabel