405/392: Difference between revisions

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'''405/392''', the '''greenwoodma''', is a [[medium comma|medium]] [[7-limit]] [[comma]].  
'''405/392''', the '''greenwoodma''', is a [[medium comma|medium]] [[7-limit]] [[comma]]. It is the difference between [[8/5]] and a stack of two [[9/7]]'s. In terms of commas, it is the sum of the [[81/80|syntonic comma (81/80)]] and the [[50/49|jubilisma (50/49)]].
 
In the 11-limit, it factors into simpler commas as ([[45/44]])⋅([[99/98]]).  


== Temperaments ==
== Temperaments ==
[[Tempering out]] this comma leads to the '''greenwoodmic temperament'''. See [[Greenwoodmic temperaments]] for a collection of rank-2 temperaments where it is tempered out.  
[[Tempering out]] this comma leads to the rank-3 [[greenwoodmic]] temperament. This temperament splits a [[~]][[5/2]] in two, each representing ~[[14/9]]. See [[Greenwoodmic temperaments]] for a collection of rank-2 temperaments where it is tempered out.  


== Notation ==
== Notation ==
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[[Category:Greenwoodmic]]
[[Category:Greenwoodmic]]
[[Category:Commas with unknown etymology]]
[[Category:Commas with unknown etymology]]
{{Todo| expand }}