> then <span class="math notranslate nohighlight">\( \vert  \vert U^{\pi_i} - U \vert  \vert  &lt; 2\epsilon \gamma / (1-\gamma)\)</span></p></li>
</ul>
</li>
</ul>
</li>
</ul>
</section>
<section id="policy-iteration">
<h3><span class="section-number">1.10.4.2. </span>policy iteration<a class="headerlink" href="#policy-iteration" title="Link to this heading">#</a></h3>
<ul>
<li><p>another way to find optimal policies</p>
<ol class="arabic simple">
<li><p><em>policy evaluation</em> - given a policy <span cl