bers <code>[Dxy Dxy Dzz]</code>: rhombic tensor 
  </ul>
</div>
  
<div class="optionfield"><code>logDiff</code></div>
<div class="optiondescr">
Base-10 logarithm of <code>Diff</code>.
Use this instead of <code>Diff</code> for least-squares fitting with <a class="esf" href="esfit.html">esfit</a>.
</div>

<div class="optionfield"><code>DiffFrame</code></div>
<div class="optiondescr">
3-element vector <code>[a b c]</code> containing the Euler angles, in radians, describing the orientation of the rotational di