2080/2079: Difference between revisions
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'''2080/2079''', the '''ibnsinma''', otherwise known as the '''sinaisma''', is | '''2080/2079''', the '''ibnsinma''', otherwise known as the '''sinaisma''', is an [[unnoticeable comma|unnoticeable]] [[13-limit]] [[comma]] measuring about 0.83 [[cent]]s. It is the amount by which a stack consisting of [[11/10]] and [[14/13]] falls short of Pythagorean minor third, [[32/27]]. | ||
== Commatic relations == | == Commatic relations == | ||
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== Temperaments == | == Temperaments == | ||
[[Tempering out]] this comma in the 13-limit defines the rank-5 '''ibnsinmic''' or '''sinaismic''' temperament, which enables the [[ibnsinmic chords|ibnsinmic a.k.a. sinaismic chords]], the [[essentially tempered chord]]s in the [[21-odd-limit]]. Another consequence is that it makes [[13/11]] and [[80/63]] [[fifth complement]]s of each other, as well as [[40/33]] and [[26/21]]. You may find a list of good [[equal temperament]]s that [[support]] this temperament below. | |||
[[Subgroup]]: 2.3.5.7.11.13 | [[Subgroup]]: 2.3.5.7.11.13 | ||
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| ⟨ || 0 || 0 || 0 || 0 || 1 || 1 || ]] | | ⟨ || 0 || 0 || 0 || 0 || 1 || 1 || ]] | ||
|} | |} | ||
: mapping generators: ~2, ~3, ~5, ~7, ~11 | |||
: | [[Optimal tuning]]s: | ||
: [[WE]]: ~2 = 1199.9519{{c}}, ~3/2 = 702.0756{{c}}, ~5/4 = 386.3580{{c}}, ~7/4 = 968.9979{{c}}, ~11/8 = 551.5774{{c}} | |||
: [[CWE]]: ~2 = 1200.0000{{c}}, ~3/2 = 702.0843{{c}}, ~5/4 = 386.3184{{c}}, ~7/4 = 968.9934{{c}}, ~11/8 = 551.5497{{c}} | |||
{{Optimal ET sequence|legend=1| 12f, 14cf, 15, 17c, 19, 22f, 26, 29, 31f, 39df, 41, 46, 53, 58, 72, 87, 111, 130, 183, 198, 224, 270, 494, 764, 935, 1075, 1205, 1699, 2280, 2774e, 3326de, 3596de, 3907bdee, 4401bdee, 4671bde }} * | {{Optimal ET sequence|legend=1| 12f, 14cf, 15, 17c, 19, 22f, 26, 29, 31f, 39df, 41, 46, 53, 58, 72, 87, 111, 130, 183, 198, 224, 270, 494, 764, 935, 1075, 1205, 1699, 2280, 2774e, 3326de, 3596de, 3907bdee, 4401bdee, 4671bde }} * | ||
<nowiki>*</nowiki> [[optimal patent val]]: [[3044edo|3044]] | <nowiki>*</nowiki> [[optimal patent val]]: [[3044edo|3044]] | ||
[[Badness]] (Sintel): 0.149 | |||
== Etymology == | == Etymology == | ||
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== See also == | == See also == | ||
* [[List of superparticular intervals]] | * [[List of superparticular intervals]] | ||
== | == References == | ||
[[Category:Ibnsinmic]] | [[Category:Ibnsinmic]] | ||
[[Category:Commas named after polymaths]] | |||