\SbSSCT{Chaine de vecteurs}{Vectors chain }
\begin{center}
\begin{tabular}{|l|} \hline
\begin{pspicture}(-.5,-.5)(4.5,3.5)
\psaxes[xticksize=3,yticksize=4,axesstyle=frame](4,3)
\psStartPoint(1,1)
\psVector[linecolor=blue](1;30)
\psVector[linecolor=cyan](2;0)
\psVector[linecolor=red](1;120)
\psVector[linestyle=dashed](2;180)
 \end{pspicture}\\ \hline
\BSS{psStartPoint}(1,1) \BSI{psStartPoint}{pstricks-add} \\
\BSS{psVector}[linecolor=blue](1;30)       	\BSI{psVector}{pstricks-add}\\
\BS{psVector}[linecolor=cyan](2;0)\\
\BS{psVector}[linecolor=red](1;120)\\
\BS{psVector}[linestyle=dashed](2;180)\\ \hline
 \end{tabular}
\end{center}

\subsection{Options}

\begin{center}
\begin{tabular}{|l|} \hline
\psset{linecolor=blue}
\begin{pspicture}(-.5,-.5)(4.5,3.5)
\psaxes[xticksize=3,yticksize=4,axesstyle=frame](4,3)
 \psStartPoint(.5,.5)
\psVector[linecolor=blue,markAngle](2;30)
\psVector[linecolor=red,markAngle](2;150)
 \end{pspicture}\\ \hline
 \BS{}psStartPoint(.5,.5) \\
 \BS{}psVector[linecolor=blue,\RDD{markAngle}](2;30) \RDI{markAngle}{pstricks-add} \\
 \BS{}psVector[linecolor=red,{\red markAngle}](2;150)\\  \hline
 
 \end{tabular}
\end{center} 
 
 
 \begin{center}
 \begin{tabular}{|l|l|} \hline 
\begin{pspicture}(-.5,-.5)(5.5,4.5)
\psaxes[xticksize=4,yticksize=5,axesstyle=frame](5,4)
 \psStartPoint[A](1,1)
\psVector(1;30)
\psVector(2;0)
\psVector(2;120)

\uput[90](A1){A1}
\uput[-90](A2){A2}
\uput[90](A3){A3}
%\psline[linecolor=red]{->>}(A1)(A3)
 \end{pspicture}
&
\begin{pspicture}(-.5,-.5)(5.5,4.5)
\psaxes[xticksize=4,yticksize=5,axesstyle=frame](5,4)
 \psStartPoint[A](2,1)
\psVector[linecolor=blue](1;30)
\psVector[linecolor=blue](2;0)
 \psStartPoint[B](2,1)
\psVector[linecolor=cyan](2;120)

\psline[linecolor=red]{->>}(B1)(A2)
 \end{pspicture}\\  \hline
  \BS{}psStartPoint{\red[A]}(1,1) &  \BS{}psStartPoint{\red [A]}(2,1) \\
\BS{}uput[90](A1){\red \AC{A1}} & \BS{}psStartPoint{\red [B]}(2,1) \\
\BS{}uput[-90](A2){\red\AC{A2}} & \BS{}psline[linecolor=red]\AC{->>}{\red (B1)(A2)} \\ \hline
 \end{tabular}
\end{center}