By doing what is planned and executed, it is materialized and output, and the results can be observed. By comparing the results with expectations, &quot;<a href="/en/Gap%20between%20expectations%20and%20reality">Gap between expectations and reality</a>&quot; (<a href="/en/measurement%20error">measurement error</a>) is revealed. This error is adjusted by <a href="/en/reverse%20propagation">reverse propagation</a>. [Knowledge at a higher level of abstraction is less likely to be modified.
<img src="https://gyazo.com/e60f5b926a60f37e2cdf48216ce8bf12/thumb/1000" alt="image">
<hr>
<ul>
<li>The <a href="/en/gap">gap</a> (<a href="/en/measurement%20error">measurement error</a>) with the <a href="/en/reality">reality</a> discovered by <a href="/en/Check">Check</a> is <a href="/en/embodiment">embodiment</a> and <a href="/en/output%20(e.g.%20of%20dynamo)">output (e.g. of dynamo)</a> by <a href="/en/Do">Do</a> of <a href="/en/application">application</a>, and <a href="/en/gap">gap</a> (<a href="/en/measurement%20error">measurement error</a>) with <a href="/en/reality">reality</a> is <a href="/en/reverse%20propagation">reverse propagation</a>.</li>
</ul>
2014-11-13
<blockquote>
 I was just sorting through the <a href="/en/abstraction">abstraction</a> and <a href="/en/embodiment">embodiment</a> and the <a href="/en/PDCA">PDCA</a> cycle, to answer your question, what a <a href="/en/perceptron">perceptron</a> ...
<img src="https://gyazo.com/e4d9334753b709657775bb86ef04a0fd/thumb/1000" alt="image">
</blockquote>
Should the arrows be reversed?
<img src="https://gyazo.com/e60f5b926a60f37e2cdf48216ce8bf12/thumb/1000" alt="image">
<a href="https://www.facebook.com/photo.php?fbid=10204599547365174&set=a.10200284032640003.2188590.1129148772&type=3&theater">Facebook</a>
#2014 #2014-11
<a href="/en/PDCA">PDCA</a> and <a href="/en/Error%20back%20propagation">Error back propagation</a>
<ul>
<li><a href="/en/Things%20that%20are%20difficult%20to%20change">Things that are difficult to change</a>
</li>
<li><a href="/en/Knowledge%20that%20is%20less%20likely%20to%20become%20obsolete">Knowledge that is less likely to become obsolete</a>
</li>
<li><a href="/en/Climbing%20Down%20Metaphor">Climbing Down Metaphor</a>
<ul>
<li>Reverse of [Climbing down metaphor</li>
</ul>
</li>
</ul>
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PDCA and error back propagation