gument (x,y).  The scale arrow length in the x</span>
0007 <span class="comment">% direction is given by u, in the y direction by v.</span>
0008 <span class="comment">%</span>
0009 <span class="comment">% The input handle h is created by the quiver command</span>
0010 <span class="comment">% h = quiver(.....</span>
0011 <span class="comment">%</span>
0012 <span class="comment">% WARNING, this function modifies the data contained in the quiver graphics</span>
0013 <span class="comment">% group handle h!</spa