s="fa fa-check"></i>Multiple-output Gaussian processes</a></li>
</ul></li>
</ul></li>
<li class="chapter" data-level="11" data-path="directions-rotations-and-hyperspheres.html"><a href="directions-rotations-and-hyperspheres.html"><i class="fa fa-check"></i><b>11</b> Directions, Rotations, and Hyperspheres</a><ul>
<li class="chapter" data-level="11.1" data-path="unit-vectors.html"><a href="unit-vectors.html"><i class="fa fa-check"></i><b>11.1</b> Unit Vectors</a></li>
<li class="chapter" data-level="11.2" da