

    \filetitle{instrument}{Define conditioning instruments in VAR models}{VAR/instrument}

	\paragraph{Syntax to add forecast
instruments}

\begin{verbatim}
V = instrument(V,Def)
V = instrument(V,Name,Exprn)
V = instrument(V,Name,Vec)
\end{verbatim}

\paragraph{Syntax to remove all forecast
instruments}

\begin{verbatim}
V = instrument(V)
\end{verbatim}

\paragraph{Input arguments}

\begin{itemize}
\item
  \texttt{V} {[} VAR {]} - VAR object to which forecast instruments will
  be added.
\item
  \texttt{Def} {[} char \textbar{} cellstr {]} - Definition string for
  the new conditioning instruments.
\item
  \texttt{Name} {[} char {]} - Name of the new conditiong instrument.
\item
  \texttt{Exprn} {[} char {]} - Expression defining the new conditiong
  instrument.
\item
  \texttt{Vec} {[} numeric {]} - Vector of coeffients to combine the VAR
  variables to create the new conditioning instrument.
\end{itemize}

\paragraph{Output arguments}


