

    \filetitle{companion}{Matrices of first-order companion VAR}{VAR/companion}

	\paragraph{Syntax}
 
 \begin{verbatim}
 [A,B,K] = companion(v)
 \end{verbatim}
 \paragraph{Input arguments}
 
 \begin{itemize}
 \item
   \texttt{v} {[} VAR {]} - VAR object for which the companion matrices
   will be returned.
 \end{itemize}
 \paragraph{Output arguments}
 
 \begin{itemize}
 \item
   \texttt{A} {[} numeric {]} - First-order companion transition matrix.
 \item
   \texttt{B} {[} numeric {]} - First-order companion coefficient matrix
   at reduced-form residuals.
 \item
   \texttt{K} {[} numeric {]} - First-order compnaion constant vector.
 \end{itemize}
 \paragraph{Description}
 
 \paragraph{Example}
 
 \}


