<h1>Unicycle.update</h1></a>
<p><span class="helptopic">Update the vehicle state</span></p><p>
<strong>odo</strong> = V.<span style="color:red">update</span>(<strong>u</strong>) is the true odometry value for
motion with <strong>u</strong>=[speed,steer].

</p>
<h2>Notes</h2>
<ul>
  <li>Appends new state to state history property x_hist.</li>
  <li>Odometry is also saved as property odometry.</li>
</ul>
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