\usepackage[applemac]{inputenc} % Pour Mac % \usepackage[latin1]{inputenc} % Pour Linux ou Windows \usepackage{amsmath} \usepackage{amssymb} \usepackage[french]{babel} %\usepackage{french} %%\usepackage[matrix,arrow]{xy} %% \usepackage[all]{xy} radical ! %%\usepackage{pstricks} %%\usepackage{pst-plot} %%Pour pouvoir compiler avec les accents... % \catcode`\ý= \active \def ý{\`a} % \catcode`\¿= \active \def ¿{\`A} % \catcode`\È= \active \def È{\'e} % \catcode`\Š= \active \def Š{\'E} % \catcode`\Ë= \active \def Ë{\`e} % \catcode`\»= \active \def »{\`E} % \catcode`\˜= \active \def ˜{\`u} % \catcode`\’= \active \def ’{\^a} % \catcode`\¬= \active \def ¬{\^A} % \catcode`\Í= \active \def Í{\^e} % \catcode`\ = \active \def {\^E} % \catcode`\Ó= \active \def Ó{\^\i} % \catcode`\Ù= \active \def Ù{\^o} % \catcode`\š= \active \def š{\^u} % \catcode`\”= \active \def ”{\"a} % \catcode`\Î= \active \def Î{\"e} % \catcode`\Ô= \active \def Ô{\"\i} % \catcode`\–= \active \def –{\"o} % \catcode`\¸= \active \def ¸{\"u} % \catcode`\Á= \active \def Á{\c{c}} % \catcode`\«= \active \def «{\c{C}}