Wilschisma: Difference between revisions
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The '''wilschisma''' ( | The '''wilschisma''' ({{monzo|legend=1| 13 -12 1 0 0 1 }}, [[ratio]]: 532480/531441) is an [[unnoticeable comma|unnoticeable]] [[13-limit]] (also 2.3.5.13-[[subgroup]]) [[comma]] measuring about 3.38 [[cent]]s. It is the difference between the wilsorma ([[65/64]]) and the [[Pythagorean comma]], hence the name. The wilschisma can be viewed as a counterpart of the [[symbiotic comma]] – while the symbiotic comma connects 7 and 11, the wilschisma connects 5 and 13, and they differ by an [[ibnsinma]]. In addition, the wilschisma is the difference between the [[garischisma]] and the [[schismina]]. | ||
== Temperaments == | == Temperaments == | ||
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[[Mapping]]: <br> | [[Mapping]]: <br> | ||
[ | {| class="right-all" | ||
|- | |||
| [⟨ || 1 || 0 || 0 || 0 || 0 || -13 || ], | |||
|- | |||
| ⟨ || 0 || 1 || 0 || 0 || 0 || 12 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 1 || 0 || 0 || -1 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 0 || 1 || 0 || 0 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 0 || 0 || 1 || 0 || ]] | |||
|} | |||
: mapping generators: ~2, ~3, ~5, ~7, ~11 | |||
{{ | {{Optimal ET sequence|legend=1| 41, 53, 58, 94, 111, 152f, 212, 217, 270, 581, 851, 1003, 1273, 1854, 2124b, 2599bdef, 2869bde, 3450bde, 3872bbdeef }} | ||
=== Will === | === Will === | ||
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[[Comma list]]: 532480/531441 | [[Comma list]]: 532480/531441 | ||
{{Mapping|legend=2| 1 0 0 -13 | 0 1 0 12 | 0 0 1 -1 }} | |||
[[Optimal tuning]] ([[CTE]]): ~3/2 = 702.2227, ~5/4 = 386.2658 | [[Optimal tuning]] ([[CTE]]): ~2 = 1200.0000, ~3/2 = 702.2227, ~5/4 = 386.2658 | ||
{{ | {{Optimal ET sequence|legend=1| 41, 53, 164, 217, 270, 422, 475, 528, 745, 798, 1273, 1326, 2071b, 3397bf }} | ||
[[Badness]]: 0.132 × 10<sup>-3</sup> | [[Badness]]: 0.132 × 10<sup>-3</sup> | ||
== | == Etymology == | ||
This comma was named by [[Flora Canou]] in 2021 for its relationship with the wilsorma and Pythagorean comma. | |||
[[Category:Wilschismic]] | [[Category:Wilschismic]] | ||
[[Category:Commas named for other reasons]] |