

    \filetitle{zeroline}{Add vertical line with text caption at the specified position}{grfun/hline}

	\paragraph{Syntax}

\begin{verbatim}
Ln = hline(YPos,...)
Ln = hline(H,YPos,...)
\end{verbatim}

\paragraph{Input arguments}

\begin{itemize}
\item
  \texttt{'YPos}' {[} numeric {]} - Vertical position or vector of
  positions at which the horizontal line or lines will be drawn.
\item
  \texttt{H} {[} numeric {]} - Handle to an axes object (graph) or to a
  figure window in which the the horizontal line will be added; if not
  specified the line will be added to the current axes.
\end{itemize}

\paragraph{Output arguments}

\begin{itemize}
\itemsep1pt\parskip0pt\parsep0pt
\item
  \texttt{Ln} {[} numeric {]} - Handle to the line ploted (line object).
\end{itemize}

\paragraph{Options}

\begin{itemize}
\itemsep1pt\parskip0pt\parsep0pt
\item
  \texttt{'excludeFromLegend='} {[} \emph{\texttt{true}} \textbar{}
  \texttt{false} {]} - Exclude the line from legend.
\end{itemize}

Any options valid for the standard \texttt{plot} function.

\paragraph{Description}

\paragraph{Example}


