input newcourbes; input couleur; input geometriesyr16; input TEX; verbatimtex %&latex \documentclass{article} \usepackage[upright]{fourier} \usepackage{color} \def\E{\mathrm{e}} \let\ve\vec \def\DR{\mathcal{D}} \def\CR{\mathcal{C}} \def\HR{\mathcal{H}} \newcommand{\Mathbold}[1]{\mbox{\boldmath$#1$\unboldmath}} \begin{document} etex %%%%%%%%%%%%%%% % % % Géométrie analytique % % beginfig( 6) repere(0,0,-7,7,-5,4,1cm,1cm); r_axes; %r_origine; %r_unites; r_labelxy; %quad_xy(0.2,bleu_ciel); quadu_xy(0.2white); %grad_x(1,1,0.4white); %grad_y(1,1,0.4white); dotlabel.top(btex A etex, r_p(2,2) ); dotlabel.ulft(btex B etex, r_p(-4,-1) ); dotlabel.bot(btex C etex, r_p(-3,-3) ); dotlabel.urt(btex E etex, r_p(3,0) ); dotlabel.lrt(btex I etex, r_p(-.5,-.5) ); dotlabel.ulft(btex K etex, r_p(-.5,.75) ); label.llft(btex $\Delta$ etex,r_p(4,-2) ) withcolor blue; draw r_droite(2,2,0.5) withcolor orange withpen pencircle scaled 1.5bp; draw r_droite(0,6,-2)withcolor blue withpen pencircle scaled 1.5bp; draw r_seg(-3,-3,-4,-1)withpen pencircle scaled 1.1bp withcolor 0.5white; draw r_seg(-3,-3,2,2)withpen pencircle scaled 1.1bp withcolor 0.5white; draw r_seg(-3,-3,3,0)withpen pencircle scaled 1.1bp withcolor 0.5white; draw rx_droite(-.5) withcolor red withpen pencircle scaled 1.5bp; draw codesegments(r_p(2,2),r_p(-.5,-.5),r_p(-.5,-.5),r_p(-3,-3),2)withpen pencircle scaled 1.1bp withcolor 0.5white ; draw codeperp(r_p(-3,-3),r_p(-4,-1),r_p(2,2),8)withpen pencircle scaled 1.1bp withcolor 0.5white; r_fin; endfig; end