270edo: Difference between revisions
→Theory: +commas; misc. wording improvements |
→Regular temperament properties: full 23-limit interpretation as discussed in the theory section |
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| style="border-top: double;" | 2.3.5.7.11.13.17 | |||
| style="border-top: double;" | 676/675, 715/714, 936/935, 1001/1000, 1225/1224, 4096/4095 | |||
| style="border-top: double;" | {{mapping| 270 428 627 758 934 999 1104 }} | |||
| style="border-top: double;" | -0.0799 | |||
| style="border-top: double;" | 0.1718 | |||
| style="border-top: double;" | 3.86 | |||
|- | |||
| 2.3.5.7.11.13.17.19 | |||
| 676/675, 715/714, 936/935, 1001/1000, 1216/1215, 1225/1224, 1331/1330 | |||
| {{mapping| 270 428 627 758 934 999 1104 1147 }} | |||
| -0.0777 | |||
| 0.1608 | |||
| 3.62 | |||
|- | |||
| 2.3.5.7.11.13.17.19.23 | |||
| 460/459, 529/528, 676/675, 715/714, 736/735, 936/935, 1001/1000, 1216/1215 | |||
| {{mapping| 270 428 627 758 934 999 1104 1147 1221 }} | |||
| -0.0296 | |||
| 0.2037 | |||
| 4.58 | |||
|} | |} | ||
* 270et has lower [[Tenney-Euclidean temperament measures #TE simple badness|relative errors]] than any previous equal temperaments in the 11- and 13-limit. It is the first | * 270et has lower [[Tenney-Euclidean temperament measures #TE simple badness|relative errors]] than any previous equal temperaments in the 11- and 13-limit. It is the first to beat [[72edo|72]] in the 11-limit and [[224edo|224]] in the 13-limit. The next equal temperament that does better in terms of either absolute or relative error in the 11-limit is [[342edo|342]], and in the 13-limit, [[494edo|494]]. | ||
* It is even more prominent in the 2.3.5.7.11.13.19 subgroup. Not until [[552edo|552]] do we reach a better equal temperament in terms of absolute error, and not until [[2190edo|2190]] do we reach one in terms of relative error. | * It is even more prominent in the 2.3.5.7.11.13.19 subgroup. Not until [[552edo|552]] do we reach a better equal temperament in terms of absolute error, and not until [[2190edo|2190]] do we reach one in terms of relative error. | ||
* It is also prominent in the 17-, 19-, and 23-limit, where it has lower absolute errors than any previous equal temperaments, despite inconsistency in the corresponding odd limits. | * It is also prominent in the 17-, 19-, and 23-limit, where it has lower absolute errors than any previous equal temperaments, despite inconsistency in the corresponding odd limits. | ||