Ln = hline(YPos,...)
Ln = hline(Ax,YPos,...)
'YPos
' [ numeric ] - Vertical position or vector of positions at which the horizontal line or lines will be drawn.
Ax
[ 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.
Ln
[ numeric ] - Handle to the line ploted (line object).'excludeFromLegend='
[ true
| false
] - Exclude the line from legend.Any options valid for the standard plot
function.