<story><title>Machine Learning</title><url>https://xkcd.com/1838/</url></story><parent_chain><item><author>jey</author><text>&amp;quot;Just stir the pile until [the answers] start looking right&amp;quot; is actually a pretty decent description of gradient descent.</text></item></parent_chain><comment><author>james_a_craig</author><text>It&amp;#x27;s clearly simulated annealing. You stir less as you get tired. :)</text></comment>
<story><title>Machine Learning</title><url>https://xkcd.com/1838/</url></story><parent_chain><item><author>jey</author><text>&amp;quot;Just stir the pile until [the answers] start looking right&amp;quot; is actually a pretty decent description of gradient descent.</text></item></parent_chain><comment><author>dmitriy_ko</author><text>With gradient descent you are walking in the direction of negative gradient. Stirring the pile implies that you are walking randomly from point to point.</text></comment>