Werckismic temperaments

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This revision was by author genewardsmith and made on 2011-07-02 15:39:36 UTC.
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[[toc|flat]]

=Rank four=
These are rank three temperaments tempering out 441/440, but we can began by looking at the rank four temperament.

Minimax tuning
[|1 0 0 0 0>, |1/2 2/3 1/6 -1/3 1/6>, |0 0 1 0 0>, 
|1 -2/3 1/3 1/3 1/3>, |0 0 0 0 1>]
Eigenmonzos: 2, 5, 11, 9/7

Map: [<1 0 0 0 -3|, <0 1 0 0 2|, <0 0 1 0 -1|, <0 0 0 1 2|]
EDOs: 72, 118, 130, 159, 171, 190, 248, 289, 320

=History=
Commas: 441/400, 4000/3993

Minimax tuning
[|1 0 0 0 0>, |4/17 12/17 0 -6/17 6/17>, 
|-27/17 4/17 0 -2/17 19/17>, 
|8/17 -10/17 0 5/17 12/17>, |0 0 0 0 1>]
Eigenmonzos: 2, 11, 9/7

Map: [<1 2 0 0 1|, <0 -6 0 7 2|, <0 0 1 1 1|]
Generators: 2, 21/20, 5
EDOs: 58, 72, 130, 202, 217, 289, 491
Badness: 0.000604

==13-limit==
Commas: 364/363, 441/440, 1001/1000

Minimax tuning
[|1 0 0 0 0 0>, |5/4 0 0 -3/8 0 3/8>, |0 0 1 0 0 0>, 
|7/8 0 1 7/16 0 -7/16>, |5/4 0 1 1/8 0 -1/8>, 
|7/8 0 1 -9/16 0 9/16>]
Eigenmonzos: 2, 5, 13/7

Map: [<1 2 0 0 1 2|, <0 -6 0 7 2 -9|, <0 0 1 1 1 1|]
Generators: 2, 21/20, 5
EDOs: 58, 72, 87, 130, 217, 289
Badness: 0.000540

[[Spectrum of a temperament|Spectrum]]: 11/10, 15/13, 14/11, 4/3, 7/5, 5/4, 11/8, 18/13, 15/11, 13/12, 13/10, 6/5, 8/7, 16/15, 12/11, 13/11, 9/8, 16/13, 15/14, 10/9, 7/6, 11/9, 14/13, 9/7

=Varuna=
Commas: 441/440, 8019/8000

Map: [<2 0 0 9 12|, <0 1 0 -4 -6|, <0 0 1 2 3|]
EDOs: 12, 26, 46, 58, 72, 118, 130, 248, 320
Generators: 99/70, 3, 5
Badness: 0.000419

Original HTML content:

<html><head><title>Werckismic temperaments</title></head><body><!-- ws:start:WikiTextTocRule:8:&lt;img id=&quot;wikitext@@toc@@flat&quot; class=&quot;WikiMedia WikiMediaTocFlat&quot; title=&quot;Table of Contents&quot; src=&quot;/site/embedthumbnail/toc/flat?w=100&amp;h=16&quot;/&gt; --><!-- ws:end:WikiTextTocRule:8 --><!-- ws:start:WikiTextTocRule:9: --><a href="#Rank four">Rank four</a><!-- ws:end:WikiTextTocRule:9 --><!-- ws:start:WikiTextTocRule:10: --> | <a href="#History">History</a><!-- ws:end:WikiTextTocRule:10 --><!-- ws:start:WikiTextTocRule:11: --><!-- ws:end:WikiTextTocRule:11 --><!-- ws:start:WikiTextTocRule:12: --> | <a href="#Varuna">Varuna</a><!-- ws:end:WikiTextTocRule:12 --><!-- ws:start:WikiTextTocRule:13: -->
<!-- ws:end:WikiTextTocRule:13 --><br />
<!-- ws:start:WikiTextHeadingRule:0:&lt;h1&gt; --><h1 id="toc0"><a name="Rank four"></a><!-- ws:end:WikiTextHeadingRule:0 -->Rank four</h1>
These are rank three temperaments tempering out 441/440, but we can began by looking at the rank four temperament.<br />
<br />
Minimax tuning<br />
[|1 0 0 0 0&gt;, |1/2 2/3 1/6 -1/3 1/6&gt;, |0 0 1 0 0&gt;, <br />
|1 -2/3 1/3 1/3 1/3&gt;, |0 0 0 0 1&gt;]<br />
Eigenmonzos: 2, 5, 11, 9/7<br />
<br />
Map: [&lt;1 0 0 0 -3|, &lt;0 1 0 0 2|, &lt;0 0 1 0 -1|, &lt;0 0 0 1 2|]<br />
EDOs: 72, 118, 130, 159, 171, 190, 248, 289, 320<br />
<br />
<!-- ws:start:WikiTextHeadingRule:2:&lt;h1&gt; --><h1 id="toc1"><a name="History"></a><!-- ws:end:WikiTextHeadingRule:2 -->History</h1>
Commas: 441/400, 4000/3993<br />
<br />
Minimax tuning<br />
[|1 0 0 0 0&gt;, |4/17 12/17 0 -6/17 6/17&gt;, <br />
|-27/17 4/17 0 -2/17 19/17&gt;, <br />
|8/17 -10/17 0 5/17 12/17&gt;, |0 0 0 0 1&gt;]<br />
Eigenmonzos: 2, 11, 9/7<br />
<br />
Map: [&lt;1 2 0 0 1|, &lt;0 -6 0 7 2|, &lt;0 0 1 1 1|]<br />
Generators: 2, 21/20, 5<br />
EDOs: 58, 72, 130, 202, 217, 289, 491<br />
Badness: 0.000604<br />
<br />
<!-- ws:start:WikiTextHeadingRule:4:&lt;h2&gt; --><h2 id="toc2"><a name="History-13-limit"></a><!-- ws:end:WikiTextHeadingRule:4 -->13-limit</h2>
Commas: 364/363, 441/440, 1001/1000<br />
<br />
Minimax tuning<br />
[|1 0 0 0 0 0&gt;, |5/4 0 0 -3/8 0 3/8&gt;, |0 0 1 0 0 0&gt;, <br />
|7/8 0 1 7/16 0 -7/16&gt;, |5/4 0 1 1/8 0 -1/8&gt;, <br />
|7/8 0 1 -9/16 0 9/16&gt;]<br />
Eigenmonzos: 2, 5, 13/7<br />
<br />
Map: [&lt;1 2 0 0 1 2|, &lt;0 -6 0 7 2 -9|, &lt;0 0 1 1 1 1|]<br />
Generators: 2, 21/20, 5<br />
EDOs: 58, 72, 87, 130, 217, 289<br />
Badness: 0.000540<br />
<br />
<a class="wiki_link" href="/Spectrum%20of%20a%20temperament">Spectrum</a>: 11/10, 15/13, 14/11, 4/3, 7/5, 5/4, 11/8, 18/13, 15/11, 13/12, 13/10, 6/5, 8/7, 16/15, 12/11, 13/11, 9/8, 16/13, 15/14, 10/9, 7/6, 11/9, 14/13, 9/7<br />
<br />
<!-- ws:start:WikiTextHeadingRule:6:&lt;h1&gt; --><h1 id="toc3"><a name="Varuna"></a><!-- ws:end:WikiTextHeadingRule:6 -->Varuna</h1>
Commas: 441/440, 8019/8000<br />
<br />
Map: [&lt;2 0 0 9 12|, &lt;0 1 0 -4 -6|, &lt;0 0 1 2 3|]<br />
EDOs: 12, 26, 46, 58, 72, 118, 130, 248, 320<br />
Generators: 99/70, 3, 5<br />
Badness: 0.000419</body></html>