User:Contribution/Ed13/11
The equal division of 13/11 (ed13/11) is a tuning obtained by dividing the tridecimal minor third (13/11) in a certain number of equal steps.
ED13/11 tuning systems that accurately represent the intervals 13/12 and 12/11 include: 23ed13/11 (0.25 cent error), 25ed13/11 (0.25 cent error), and 48ed13/11 (0.01 cent error).
23ed13/11, 25ed13/11, and 48ed13/11 are to the division of 13/11:
- what 21ed6/5, 23ed6/5, and 44ed6/5 are to the division of 6/5
- what 19ed11/9, 21ed11/9 and 40ed11/9 are to the division of 11/9
- what 17ed5/4, 19ed5/4, and 36ed5/4 are to the division of 5/4
- what 15ed9/7, 17ed9/7, and 32ed9/7 are to the division of 9/7
- what 13ed4/3, 15ed4/3, and 28ed4/3 are to the division of 4/3
- what 11ed7/5, 13ed7/5, and 24ed7/5 are to the division of 7/5
- what 9ed3/2, 11ed3/2, and 20ed3/2 are to the division of 3/2
- what 7ed5/3, 9ed5/3, and 16ed5/3 are to the division of 5/3
- and what 5edo, 7edo, and 12edo are to the division of 2/1.
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