E773Fw

Written on June 24, 2019
% Dans le préambule
% -----------------
\usepackage{pstricks-add}
% -----------------

\psset{xunit=0.25,yunit=2}
\begin{pspicture*}(-8,-0.5)(10,1.2)
  \psaxes[trigLabels=true,dx=3.1416]
                     (0,0)(-7,-0.5)(10,1.2)
  \psplot[algebraic]{-7}{-0.0001}{sin(x)/x}
  \psplot[algebraic]{0.00001}{10}{sin(x)/x}
\end{pspicture*}