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	<title>sin &#8211; Alan Richmond</title>
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	<link>https://tuxar.uk</link>
	<description>Scientific systems programmer (ex NASA, ESA/ESO, Hubble), web developer, online retailer (retired)</description>
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		<title>A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.</title>
		<link>https://tuxar.uk/a-neural-network-in-python-part-2-activation-functions-bias-sgd-etc/</link>
					<comments>https://tuxar.uk/a-neural-network-in-python-part-2-activation-functions-bias-sgd-etc/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Thu, 09 Feb 2017 14:38:43 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Artificial Intelligence]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[dict]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[lambda]]></category>
		<category><![CDATA[matplotlib]]></category>
		<category><![CDATA[matrices]]></category>
		<category><![CDATA[neural network]]></category>
		<category><![CDATA[numpy]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[sin]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=774</guid>

					<description><![CDATA[This is Part 2 of A Neural Network in Python, which was a very simple neural network to learn the... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/a-neural-network-in-python-part-2-activation-functions-bias-sgd-etc/">read more<span class="gridview-sr-only"> A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.</span></a></span>]]></description>
		
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		<title>Spectral Harmonographs</title>
		<link>https://tuxar.uk/spectral-harmonographs-2/</link>
					<comments>https://tuxar.uk/spectral-harmonographs-2/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Mon, 05 Oct 2015 11:24:25 +0000</pubDate>
				<category><![CDATA[Harmonograph]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[math]]></category>
		<category><![CDATA[pygame]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[simulation]]></category>
		<category><![CDATA[sin]]></category>
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					<description><![CDATA[This Python + Pygame program draws the trace of 4 decaying sine waves, 2 per axis, with rainbow colours. It... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/spectral-harmonographs-2/">read more<span class="gridview-sr-only"> Spectral Harmonographs</span></a></span>]]></description>
		
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		<title>A Fake Circle made of Straight Lines</title>
		<link>https://tuxar.uk/a-fake-circle-made-with-straight-lines/</link>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Mon, 15 Jun 2015 16:50:31 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[cos]]></category>
		<category><![CDATA[for]]></category>
		<category><![CDATA[import]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[pi]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[sin]]></category>
		<category><![CDATA[turtle]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=408</guid>

					<description><![CDATA[Inspired by this post on Reddit, I wrote this little script to do the same thing. The circle is an... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/a-fake-circle-made-with-straight-lines/">read more<span class="gridview-sr-only"> A Fake Circle made of Straight Lines</span></a></span>]]></description>
		
		
		
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		<title>Fractal Tree</title>
		<link>https://tuxar.uk/fractal-tree/</link>
					<comments>https://tuxar.uk/fractal-tree/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Fri, 17 Apr 2015 14:28:33 +0000</pubDate>
				<category><![CDATA[Fractals]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[colorsys]]></category>
		<category><![CDATA[cos]]></category>
		<category><![CDATA[events]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[HSV]]></category>
		<category><![CDATA[math]]></category>
		<category><![CDATA[pillow]]></category>
		<category><![CDATA[recursion]]></category>
		<category><![CDATA[RGB]]></category>
		<category><![CDATA[sin]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=49</guid>

					<description><![CDATA[This program draws a &#8216;tree&#8217; by drawing a trunk (initially; later it&#8217;s a branch) and appending a tree, recursively. Uses... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/fractal-tree/">read more<span class="gridview-sr-only"> Fractal Tree</span></a></span>]]></description>
		
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			<slash:comments>1</slash:comments>
		
		
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