Présentation de 1804.jps

/syracuse/bbgraf/tmp/1804.jpg
%% auteur : -5.5 3 setxrange -1.5 2.5 setyrange 60 setxunit 60 setyunit /quadrillagewidth[.7 .4 .1] def [1 1 .5 .5 .5 .5]{.7 setgray} Quadrillage 1.2 setlinewidth %0.5 0.5 setsubtkstep traceaxes ticks marks tracerepere axesarrow /A{-5 1} def /B{-4 0} def /J{-3 -1} def /C{-2 0} def /D{-1.5 1} def /E{-.5 2} def /F{0 1.5} def /G{0.5 1} def /H{1 0} def /I{2 -.5} def 1.3 setlinewidth [A{-60 dir} .. B .. J{right} .. C .. D .. E {right}.. F .. G .. H .. I] draw [A B C D E F G H I J] points <tex> $C_f$ </tex> 7 4 [1.5 dup] dctexlabel setTimes %(1) 1 0 [1.5 1.5] dtext %(1) 0 1 [1.5 1.5] ltext (O) O [1.5 1.5] dltext setTimesItalic (x) xmax 0 (-10 0) ultext (y) 0 ymax (0 -10) drtext <tex> $C_f$ </tex> -4.5 .9 [1.5 dup] dctexlabel