ss="string">'markersize'</span>,0.005)

<span class="comment">% % Draw sample positions of the joints</span>
<span class="comment">% if nargin &gt; 6</span>
<span class="comment">%   samples = gaussian(M,S+1e-8*eye(4),1000);</span>
<span class="comment">%   t1 = samples(3,:); t2 = samples(4,:);</span>
<span class="comment">%   plot(-l*sin(t1),l*cos(t1),'b.','markersize',2)</span>
<span class="comment">%   plot(-l*(sin(t1)-sin(t2)),l*(cos(t1)+cos(t2)),'r.','markersize',2)</span>
<span class="comment">% end</