n style="color:red">Unicycle</span> object with actual odometry
covariance <strong>va</strong> (2x2) matrix corresponding to the odometry vector [dx dtheta].

</p>
<h2>Options</h2>
<table class="list">
  <tr><td style="white-space: nowrap;" class="col1">'W', W</td> <td>Wheel separation [m] (default 1)</td></tr>
  <tr><td style="white-space: nowrap;" class="col1">'vmax', S</td> <td>Maximum speed (default 5m/s)</td></tr>
  <tr><td style="white-space: nowrap;" class="col1">'x0', x0</td> <td>Initial state (defa