\input fig4tex.tex %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%% DEBUT DESSIN TRAPEZE %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \figinit{1truecm} \figpt 1:(-0.5,0)\figpt 2:(6.5,0)\figpt 3:(6,4.5)\figpt 4:(6,-0.5) \figpt 5:(0,4.5)\figpt 6:(0,-0.5) % courbe \figpt 10:(0,3)\figpt 11:(2,4)\figpt 12:(4,2)\figpt 13:(6,4) \figptscontrol 15[10,11,12,13] % vecteur \figvectC 30(1,0) % i \figvectC 31(0,1) % j % autres points \figptinterlines 7:[6,31;1,30]\figptinterlines 8:[4,31;1,30] % a et b \figptinterlines 20:[12,30;4,31] \figptinterlines 21:[12,31;1,30] \figptinterlines 22:[11,30;12,31] \figptinterlines 23:[11,31;1,30] \figptinterlines 24:[10,30;11,31] %% test %%%%%%%%%%%%%%%%%%%%% %% fichier graphique %%%%%%%%%%%%%%%%%%% \figdrawbegin{} \figdrawline[1,2]\figdrawline[3,4]\figdrawline[5,6] \figdrawBezier 1[10,15,16,13] \figset (dash=5) \figdrawline[10,11,12,13]\figdrawline[11,23]\figdrawline[12,21] \figset (dash=default) \figdrawend %%%%%%%%%%%%%%%%%%% %% writing %%%%%%%%%%%%%%%%%%% \figvisu{\figBoxA}{M\'ethode des trap\`ezes}{ \figwrites 23:$x_1$(0.1)\figwrites 21:$x_2$(0.1) %\figwritee 15:$y={f(x)}$(0.1) \figset write(mark=$\bullet$) \figwritesw 7:$a$(0.1)\figwritese 8:$b$(0.1) \figwritec[11,12,10,13 ]{$\bullet$} } \box\figBoxA \bye