excellent tool for labeling
because it draws two-dimensional patches in a plane.&nbsp; <a
 href="http://www.mathworks.com/matlabcentral/fileexchange/14056">Arrow3.m</a>,
on the other hand, draws cones and spheres in 3-space.&nbsp; The
programmer says it draws an "astonishing" number of vectors with a
"bewildering" variety of colors in "practically no time at all," and
that it "looks real pretty when you twirl 'em around."</div>
      <br>
      <div class="indent"><span
 style="color: rgb(102, 0, 0