Patent val: Difference between revisions

Wikispaces>genewardsmith
**Imported revision 203938720 - Original comment: **
Wikispaces>xenwolf
**Imported revision 236182350 - Original comment: **
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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
<h2>IMPORTED REVISION FROM WIKISPACES</h2>
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
: This revision was by author [[User:genewardsmith|genewardsmith]] and made on <tt>2011-02-22 07:39:52 UTC</tt>.<br>
: This revision was by author [[User:xenwolf|xenwolf]] and made on <tt>2011-06-13 04:59:38 UTC</tt>.<br>
: The original revision id was <tt>203938720</tt>.<br>
: The original revision id was <tt>236182350</tt>.<br>
: The revision comment was: <tt></tt><br>
: The revision comment was: <tt></tt><br>
The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>
The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>
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<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;white-space: pre-wrap ! important" class="old-revision-html">Given N-edo, the equal division of the octave into N parts, we may for any prime p find a corresponding p-limit val in a canonical manner by [[http://en.wikipedia.org/wiki/Scalar_multiplication|scalar multiplying]] &lt;1 log2(3) log2(5) ... log(p)| by N and rounding to the nearest integer. In general this is not guaranteed to be the most accurate available val, but if N-edo has enough relative accuracy in the p-limit, it will be. The name //patent// comes from the fact that "patent" in one sense of the word is a synonym for "obvious"; the patent val may or may not be the best choice but it's the obvious choice.
<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;white-space: pre-wrap ! important" class="old-revision-html">Given N-edo, the equal division of the octave into N parts, we may for any prime p find a corresponding p-limit val in a canonical manner by [[http://en.wikipedia.org/wiki/Scalar_multiplication|scalar multiplying]] &lt;1 log2(3) log2(5) ... log(p)| by N and rounding to the nearest integer. In general this is not guaranteed to be the most accurate available val, but if N-edo has enough relative accuracy in the p-limit, it will be. The name //patent// comes from the fact that "patent" in one sense of the word is a synonym for "obvious"; the patent val may or may not be the best choice but it's the obvious choice.


For example, multiplying 12 times &lt;1 1.585 2.322 2.807 3.459| yields &lt;12 19.020 27.863 33.688 41.513|, which rounds off to &lt;12 19 28 34 42|, the 11-limit patent val for 12edo.</pre></div>
== Example ==
multiplying 12 times &lt;1 1.585 2.322 2.807 3.459|  
yields &lt;12 19.020 27.863 33.688 41.513|,  
rounded to &lt;12 19 28 34 42|,  
which is the **11-limit patent val for [[12edo]]**.</pre></div>
<h4>Original HTML content:</h4>
<h4>Original HTML content:</h4>
<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;width:200%;white-space: pre-wrap ! important" class="old-revision-html">&lt;html&gt;&lt;head&gt;&lt;title&gt;Patent val&lt;/title&gt;&lt;/head&gt;&lt;body&gt;Given N-edo, the equal division of the octave into N parts, we may for any prime p find a corresponding p-limit val in a canonical manner by &lt;a class="wiki_link_ext" href="http://en.wikipedia.org/wiki/Scalar_multiplication" rel="nofollow"&gt;scalar multiplying&lt;/a&gt; &amp;lt;1 log2(3) log2(5) ... log(p)| by N and rounding to the nearest integer. In general this is not guaranteed to be the most accurate available val, but if N-edo has enough relative accuracy in the p-limit, it will be. The name &lt;em&gt;patent&lt;/em&gt; comes from the fact that &amp;quot;patent&amp;quot; in one sense of the word is a synonym for &amp;quot;obvious&amp;quot;; the patent val may or may not be the best choice but it's the obvious choice.&lt;br /&gt;
<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;width:200%;white-space: pre-wrap ! important" class="old-revision-html">&lt;html&gt;&lt;head&gt;&lt;title&gt;Patent val&lt;/title&gt;&lt;/head&gt;&lt;body&gt;Given N-edo, the equal division of the octave into N parts, we may for any prime p find a corresponding p-limit val in a canonical manner by &lt;a class="wiki_link_ext" href="http://en.wikipedia.org/wiki/Scalar_multiplication" rel="nofollow"&gt;scalar multiplying&lt;/a&gt; &amp;lt;1 log2(3) log2(5) ... log(p)| by N and rounding to the nearest integer. In general this is not guaranteed to be the most accurate available val, but if N-edo has enough relative accuracy in the p-limit, it will be. The name &lt;em&gt;patent&lt;/em&gt; comes from the fact that &amp;quot;patent&amp;quot; in one sense of the word is a synonym for &amp;quot;obvious&amp;quot;; the patent val may or may not be the best choice but it's the obvious choice.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For example, multiplying 12 times &amp;lt;1 1.585 2.322 2.807 3.459| yields &amp;lt;12 19.020 27.863 33.688 41.513|, which rounds off to &amp;lt;12 19 28 34 42|, the 11-limit patent val for 12edo.&lt;/body&gt;&lt;/html&gt;</pre></div>
&lt;!-- ws:start:WikiTextHeadingRule:0:&amp;lt;h2&amp;gt; --&gt;&lt;h2 id="toc0"&gt;&lt;a name="x-Example"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:0 --&gt; Example &lt;/h2&gt;
multiplying 12 times &amp;lt;1 1.585 2.322 2.807 3.459| &lt;br /&gt;
yields &amp;lt;12 19.020 27.863 33.688 41.513|, &lt;br /&gt;
rounded to &amp;lt;12 19 28 34 42|, &lt;br /&gt;
which is the &lt;strong&gt;11-limit patent val for &lt;a class="wiki_link" href="/12edo"&gt;12edo&lt;/a&gt;&lt;/strong&gt;.&lt;/body&gt;&lt;/html&gt;</pre></div>