User:Royalmilktea/Keemic equivalence continuum: Difference between revisions
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Latest revision as of 07:59, 6 October 2026
The keemic equivalence continuum is a continuum of temperaments which equate a number of ptolemismas (100/99) with the keema (875/864).
All temperaments in the continuum satisfy (100/99)n ~ 875/864. Varying n results in different temperaments listed in the table below. It converges to the 11-limit temperament of ptolemismic as n approaches infinity. If we allow non-integer and infinite n, the continuum describes the set of all 11-limit temperaments supported by undecimal keemic due to it being the unique temperament that tempers out both commas and thus tempers out all combinations of them. The just value of n is approximately 1.2588, and temperaments near this tend to be the most accurate ones.
| n | Temperament | Comma | |
|---|---|---|---|
| Ratio | Monzo | ||
| -1 | Nokotanmic(?) | 21875/21384 | [-3 -5 5 1 -1⟩ |
| 0 | Keemic extension | 875/864 | [-5 -3 3 1 0⟩ |
| 1 | Keenanismic | 385/384 | [-7 -1 1 1 1⟩ |
| 2 | Absinthmic(?) | 2560/2541 | [9 -1 1 -1 -2⟩ |
| ... | ... | ... | ... |
| ∞ | Ptolemismic | 100/99 | [2 -2 2 0 -1⟩ |
| n | Temperament | Comma |
|---|---|---|
| 5/4 = 1.25 | 270 & 836 & 2190 & 311 | [-30 -2 2 4 5⟩ |
| 9/7 = 1.285714 | 494 & 472 & 41 & 981 | [-53 -3 3 7 9⟩ |
| 4/3 = 1.3 | 224 & 41 & 239 & 22 | [-23 -1 1 3 4⟩ |
| 3/2 = 1.5 | Orgonismic | [16 0 0 -2 -3⟩ |