eferred to as Q-learning</strong></p></li>
<li><p>this is <em>off-policy</em> (only uses best Q-value, doesn‚Äôt pay attention to actualy policy being followed) - more flexible</p></li>
</ul>
</li>
<li><p><em>SARSA</em> (state-action-reward-state-action) is related: <span class="math notranslate nohighlight">\(Q(s,a) = Q(s,a) + \alpha [R(s) + \gamma \: Q(s', a') - Q(s,a) ]\)</span></p>
<ul>
<li><p>here, <span class="math notranslate nohighlight">\(a'\)</span> is action actually taken</p></li>
<li><p>SAR