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{{interwiki | |||
| en = User:Dummy index | |||
| ja = User:Dummy index | |||
}} | |||
Hello. I'm a engineer and weekend mathematician. | |||
== List of subpages == | |||
{{Special:Prefixindex|prefix=User:Dummy_index/|hideredirects=1|stripprefix=1}} | {{Special:Prefixindex|prefix=User:Dummy_index/|hideredirects=1|stripprefix=1}} | ||
== | == Memo == | ||
{| class="wikitable" | {| class="wikitable" | ||
! | |+ Partialpyths | ||
! | |- | ||
! | ! basis including !! examples !! remarks | ||
! | |||
|- | |- | ||
| 2.9 || [[Subgroup temperaments #2.9.5.7 subgroup]] || | |||
| | |||
| [[ | |||
| | |||
|- | |- | ||
| 4.3 || [[Subgroup temperaments #4.3.5 subgroup]],<br />not meanquad (p=4/1, g=4/3 or 3/1) -> named tetrameantone,<br />[https://x31eq.com/pyscript/rt.html?ets=q87_q111&limit=4_3_5_7 "mistyquad"], [https://x31eq.com/pyscript/rt.html?ets=q111_q144&limit=4_3_5_7 "mirquad"] || | |||
| [[ | |||
|- | |- | ||
| 4.6 = 4.3/2 = 6.3/2<br /> = 6.9 = 3/2.9 || [[meanquad]] (p=4/1, g=3/2), [https://x31eq.com/pyscript/rt.html?ets=q99_q144&limit=4_6_5_7 "ennealimmalquad"] || plain weave | |||
| [[ | |||
|- | |- | ||
| 4.9 || [[Subgroup temperaments #Meansquared]] || 4.9.25 meansquared is [[Sane and insane temperaments|insane]] | |||
| [[ | |||
| | |||
| | |||
|- | |- | ||
| 4/3.9 = 12.9 = 16.12 || [[39ed9]] || | |||
| [[ | |||
|- | |- | ||
| 4.9/2 = 4.18 || [https://x31eq.com/pyscript/rt.html?ets=q25_q12&limit=4_18_5_7 "israquad"] || | |||
| | |||
| [ | |||
| | |||
|- | |- | ||
| 4/3.9/2 = 8.6 = 6.27 || || twill weave | |||
| | |||
| | |||
|- | |- | ||
| 12.18 = 12.3/2 = 8.3/2<br /> = 18.3/2 = 27.3/2 = 8.12 || [https://x31eq.com/pyscript/rt.html?ets=q31_q26&limit=8_12_5_7 "septimal meanocto"] || twill weave | |||
|- | |||
| [ | | 12.9/2 = 8/3.9/2 = 8/3.12<br /> = 9/2.54 = 9/2.243<br /> = 8/3.32 = 12.32 || || satin weave | ||
| | |||
| | |||
| | |||
|- | |- | ||
| 4/3.18 = 4/3.27/2 = 18.27/2<br /> = 4/3.24 = 4/3.32 = 24.32 || || satin weave | |||
| | |||
|- | |- | ||
| 8.9 = 72.9 = 72.6<sup>6</sup><br /> = 9/8.9 = 9/8.(3/2)<sup>6</sup> || [[Subgroup temperaments #Sixscared]], [https://x31eq.com/pyscript/rt.html?ets=q19_q18&limit=8_9_10_14 "israocto"] || | |||
| [[ | |||
| | |||
|} | |} | ||
{| class="wikitable" | {| class="wikitable" | ||
|9/7||5/4|| 11/9||6/5||13/11||7/6||15/13||8/7 | |||
|- | |- | ||
|13/10||14/11||16/13||17/14||19/16||20/17||22/19||23/20 | |||
| | |- | ||
| 14/ | |17/13||19/15||21/17||23/19||25/21||27/23 | ||
| | |||
| | |||
| | |||
| | |||
|- | |- | ||
| colspan="2" |<small>21/16 22/17 24/19</small>|| colspan="2" |26/21 27/22 || colspan="2" |32/27 33/28 | |||
| | |||
| | |||
| | |||
|- | |- | ||
| colspan="2" |<small>32/25 33/26 34/27</small>|| colspan="2" |39/32 40/33 | |||
| | |} | ||
| | |||
| | 9-odd-limit diamond (not care of beginning at 1) | ||
| | {| | ||
| | | | ||
| | | | ||
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|9/5 | |||
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|- | |- | ||
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| | |8/5 | ||
| | | | ||
| | |<small>3/2</small> | ||
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| | |||
| | |||
|- | |- | ||
| | |||
| | | | ||
| | |7/5 | ||
| | | | ||
| | |4/3 | ||
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| | |9/7 | ||
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|- | |- | ||
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| | |6/5 | ||
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| | |7/6 | ||
| | | | ||
| | | 8/7 | ||
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|9/8 | |||
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|- | |- | ||
|5/5 | |||
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| | |3/3 | ||
| | | | ||
| | | 7/7 | ||
| | | | ||
| | |1/1 | ||
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|9/9 | |||
|- | |- | ||
| | |||
| | |5/3 | ||
| | | | ||
| | |12/7 | ||
| | | | ||
| | |7/4 | ||
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|16/9 | |||
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|- | |- | ||
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| | | | ||
| | |10/7 | ||
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| | |3/2 | ||
| | | | ||
| | |14/9 | ||
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|- | |- | ||
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| 5/4 | |5/4 | ||
| | | | ||
| | |<small>4/3</small> | ||
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|- | |- | ||
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| 10/ | |10/9 | ||
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|} | |||
1.3.9.11.17 diamond, for 24edo (not cover 1\24, 5\24, 6\24, 8\24, ...) | |||
{| | |||
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|18/11 | |||
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|- | |- | ||
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| | |17/11 | ||
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| | |<small>3/2</small> | ||
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|- | |- | ||
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| | |16/11 | ||
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| | |17/12 | ||
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| | |9/8 | ||
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|- | |- | ||
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| | |12/11 | ||
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| | |4/3 | ||
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| | |17/16 | ||
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|18/17 | |||
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|- | |- | ||
|11/11 | |||
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| | |3/3 | ||
| | | | ||
| | |1/1 | ||
| | | | ||
| | |17/17 | ||
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|9/9 | |||
|- | |- | ||
| | |||
| | |11/6 | ||
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| | |3/2 | ||
| | | | ||
| | |32/17 | ||
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|17/9 | |||
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|- | |- | ||
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| | |11/8 | ||
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| | |24/17 | ||
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| | |16/9 | ||
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|- | |- | ||
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| | |22/17 | ||
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| | |<small>4/3</small> | ||
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|- | |- | ||
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| | |11/9 | ||
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|} | |} | ||
tritave 1.2.4.5.7 diamond | |||
{| | |||
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|7/3 | |||
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|- | |- | ||
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|2/1 | |||
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|7/4 | |||
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|- | |- | ||
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|5/3 | |||
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|<small>3/2</small> | |||
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|7/5 | |||
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|- | |- | ||
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|4/3 | |||
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|5/4 | |||
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|6/5 | |||
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|7/6 | |||
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|- | |- | ||
| | |1/1 | ||
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|4/4 | |||
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|5/5 | |||
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|2/2 | |||
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|7/7 | |||
|- | |- | ||
| 9/ | | | ||
|9/4 | |||
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|12/5 | |||
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|5/2 | |||
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|18/7 | |||
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|- | |- | ||
| 5 | | | ||
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|9/5 | |||
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|<small>2/1</small> | |||
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|15/7 | |||
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|- | |- | ||
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|3/2 | |||
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|12/7 | |||
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|- | |- | ||
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|9/7 | |||
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|} | |||
~~ hoge ~~ | |||
*[https://sintel.pythonanywhere.com/result?subgroup=3.7.31.127&reduce=on&weights=weil&target=&edos=3799%261324%268&submit_edo=submit&commas=] Mersenne prime basis | |||
{| class="wikitable" | |||
|+Caption text | |||
|- | |- | ||
!Subgroup!!Chord<br>(w/o implicit eqave) | |||
!Condition | |||
!Comma!!Temperament | |||
|- | |- | ||
| | |2.3||1:2:3:4 | ||
|3/2~4/3 | |||
|[[9/8|S3]]||2et | |||
|- | |- | ||
| | |4.3.5||1:3:4:5 | ||
|4/3~5/4 | |||
|[[16/15|S4]]||tetrafather | |||
|- | |- | ||
| 5 | |2.3.5|| | ||
|(extension) | |||
| ||father | |||
|- | |- | ||
| 6 | |4.6.5 | ||
|1:4:5:6 | |||
|5/4~6/5 | |||
|[[25/24|S5]] | |||
|dicotquad | |||
|- | |- | ||
| | |8.9.7 | ||
|1:7:8:9 | |||
|8/7~9/8 | |||
|[[64/63|S8]] | |||
|sixscared | |||
|- | |- | ||
| | |8.9.10 | ||
|1:8:9:10 | |||
|9/8~10/9 | |||
|[[81/80|S9]] | |||
|israocto | |||
|- | |- | ||
| | | | ||
| | |||
| | |||
| | |||
| | |||
|- | |- | ||
| | |2.3 | ||
|1:2:3:4 | |||
|(2/1)/(3/2)~(3/2)/(4/3) | |||
|[[32/27|S2/S3]] | |||
|3et | |||
|- | |- | ||
| | |2.3.5 | ||
|2:3:4:5 | |||
|(3/2)/(4/3)~(4/3)/(5/4) | |||
|[[135/128|S3/S4]] | |||
|mavila | |||
|- | |- | ||
| | |2.3.5 | ||
|3:4:5:6 | |||
|(4/3)/(5/4)~(5/4)/(6/5) | |||
|[[128/125|S4/S5]] | |||
|augmented | |||
|- | |- | ||
| | |3/2.5/4.7/4 | ||
|4:5:6:7 | |||
|(5/4)/(6/5)~(6/5)/(7/6) | |||
|[[875/864|S5/S6]] | |||
| | |||
|- | |- | ||
| | |4.6.5.7 | ||
| | |||
|(higher-rank expansion) | |||
| | |||
|supermagicquad | |||
|- | |- | ||
| | |10/7.20/11.20/17 | ||
|[[11:14:17:20]] | |||
|(14/11)/(17/14)~(17/14)/(20/17) | |||
|54880/54043 | |||
| | |||
|- | |- | ||
| 5/ | |4.14/5.11/5.17/5 | ||
| | |||
| + 7''p''~4/1 | |||
| + *** | |||
| | |||
|- | |- | ||
| | |2.7/5.11/5.17/5 | ||
| | | | ||
| 7/ | | (extension, 7''p''~2/1) | ||
| | |||
|non-over-1 greenwood | |||
|} | |} | ||
* 360edz 5ed12/11 10ed25/21 15ed13/10 36ed15/8 59ed14/5 69ed10/3 84ed13/3 95ed21/4 105ed25/4 278ed128 | |||
* I don't remember how I found it: 43-limit 1820105/1820104 | |||
* some cubismas: 61-limit 103823/103822 67-limit 50653/50652 300763/300762 79-limit 493039/493038 | |||
temperaments of [[7L 2s (3/1-equivalent)]] | |||
* hyposoft: | |||
** g = ~13/7, 2g = ~(8/7)*3, 6g = ~(3/2)*27 | |||
** 1029/1024, [[lemba]] | |||
* hypohard: | |||
** g = ~13/7, 2g = ~(15/13)*3, 4g = ~(4/3)*9 | |||
** b16&b23, [https://x31eq.com/pyscript/rt.html?ets=b16%26b23&limit=3.4.5.7.13 3.4.5.7.13], 3.5.7->enfactored canopus, [https://x31eq.com/pyscript/rt.html?ets=b16%26b23&limit=3.5.7.13 3.5.7.13], [https://x31eq.com/pyscript/rt.html?ets=b16%26b46cd&limit=2.3.5.7 2.3.5.7] | |||
[[Category:User en-1]] | |||
[[Category:User ja-N]] | |||
Latest revision as of 15:05, 13 September 2025
Hello. I'm a engineer and weekend mathematician.
List of subpages
- 2-dimensional tuning spectrum
- 3rd-tritave temperaments
- About harmonics
- Bimetallic MOS
- Chromatic pairs and how we define haplotonic
- Heuristics for picking a nonstandard basis of JI subgroup
- Just odd intonation
- Layouts
- MOS tree with continued fraction
- No-1s odd-limit consistency
- Random lists of temperaments by generator size
- Related to 1729/1728
- SandBox
- Semitritave
Memo
| basis including | examples | remarks |
|---|---|---|
| 2.9 | Subgroup temperaments #2.9.5.7 subgroup | |
| 4.3 | Subgroup temperaments #4.3.5 subgroup, not meanquad (p=4/1, g=4/3 or 3/1) -> named tetrameantone, "mistyquad", "mirquad" |
|
| 4.6 = 4.3/2 = 6.3/2 = 6.9 = 3/2.9 |
meanquad (p=4/1, g=3/2), "ennealimmalquad" | plain weave |
| 4.9 | Subgroup temperaments #Meansquared | 4.9.25 meansquared is insane |
| 4/3.9 = 12.9 = 16.12 | 39ed9 | |
| 4.9/2 = 4.18 | "israquad" | |
| 4/3.9/2 = 8.6 = 6.27 | twill weave | |
| 12.18 = 12.3/2 = 8.3/2 = 18.3/2 = 27.3/2 = 8.12 |
"septimal meanocto" | twill weave |
| 12.9/2 = 8/3.9/2 = 8/3.12 = 9/2.54 = 9/2.243 = 8/3.32 = 12.32 |
satin weave | |
| 4/3.18 = 4/3.27/2 = 18.27/2 = 4/3.24 = 4/3.32 = 24.32 |
satin weave | |
| 8.9 = 72.9 = 72.66 = 9/8.9 = 9/8.(3/2)6 |
Subgroup temperaments #Sixscared, "israocto" |
| 9/7 | 5/4 | 11/9 | 6/5 | 13/11 | 7/6 | 15/13 | 8/7 |
| 13/10 | 14/11 | 16/13 | 17/14 | 19/16 | 20/17 | 22/19 | 23/20 |
| 17/13 | 19/15 | 21/17 | 23/19 | 25/21 | 27/23 | ||
| 21/16 22/17 24/19 | 26/21 27/22 | 32/27 33/28 | |||||
| 32/25 33/26 34/27 | 39/32 40/33 | ||||||
9-odd-limit diamond (not care of beginning at 1)
| 9/5 | ||||||||
| 8/5 | 3/2 | |||||||
| 7/5 | 4/3 | 9/7 | ||||||
| 6/5 | 7/6 | 8/7 | 9/8 | |||||
| 5/5 | 3/3 | 7/7 | 1/1 | 9/9 | ||||
| 5/3 | 12/7 | 7/4 | 16/9 | |||||
| 10/7 | 3/2 | 14/9 | ||||||
| 5/4 | 4/3 | |||||||
| 10/9 |
1.3.9.11.17 diamond, for 24edo (not cover 1\24, 5\24, 6\24, 8\24, ...)
| 18/11 | ||||||||
| 17/11 | 3/2 | |||||||
| 16/11 | 17/12 | 9/8 | ||||||
| 12/11 | 4/3 | 17/16 | 18/17 | |||||
| 11/11 | 3/3 | 1/1 | 17/17 | 9/9 | ||||
| 11/6 | 3/2 | 32/17 | 17/9 | |||||
| 11/8 | 24/17 | 16/9 | ||||||
| 22/17 | 4/3 | |||||||
| 11/9 |
tritave 1.2.4.5.7 diamond
| 7/3 | ||||||||
| 2/1 | 7/4 | |||||||
| 5/3 | 3/2 | 7/5 | ||||||
| 4/3 | 5/4 | 6/5 | 7/6 | |||||
| 1/1 | 4/4 | 5/5 | 2/2 | 7/7 | ||||
| 9/4 | 12/5 | 5/2 | 18/7 | |||||
| 9/5 | 2/1 | 15/7 | ||||||
| 3/2 | 12/7 | |||||||
| 9/7 |
~~ hoge ~~
- [1] Mersenne prime basis
| Subgroup | Chord (w/o implicit eqave) |
Condition | Comma | Temperament |
|---|---|---|---|---|
| 2.3 | 1:2:3:4 | 3/2~4/3 | S3 | 2et |
| 4.3.5 | 1:3:4:5 | 4/3~5/4 | S4 | tetrafather |
| 2.3.5 | (extension) | father | ||
| 4.6.5 | 1:4:5:6 | 5/4~6/5 | S5 | dicotquad |
| 8.9.7 | 1:7:8:9 | 8/7~9/8 | S8 | sixscared |
| 8.9.10 | 1:8:9:10 | 9/8~10/9 | S9 | israocto |
| 2.3 | 1:2:3:4 | (2/1)/(3/2)~(3/2)/(4/3) | S2/S3 | 3et |
| 2.3.5 | 2:3:4:5 | (3/2)/(4/3)~(4/3)/(5/4) | S3/S4 | mavila |
| 2.3.5 | 3:4:5:6 | (4/3)/(5/4)~(5/4)/(6/5) | S4/S5 | augmented |
| 3/2.5/4.7/4 | 4:5:6:7 | (5/4)/(6/5)~(6/5)/(7/6) | S5/S6 | |
| 4.6.5.7 | (higher-rank expansion) | supermagicquad | ||
| 10/7.20/11.20/17 | 11:14:17:20 | (14/11)/(17/14)~(17/14)/(20/17) | 54880/54043 | |
| 4.14/5.11/5.17/5 | + 7p~4/1 | + *** | ||
| 2.7/5.11/5.17/5 | (extension, 7p~2/1) | non-over-1 greenwood |
- 360edz 5ed12/11 10ed25/21 15ed13/10 36ed15/8 59ed14/5 69ed10/3 84ed13/3 95ed21/4 105ed25/4 278ed128
- I don't remember how I found it: 43-limit 1820105/1820104
- some cubismas: 61-limit 103823/103822 67-limit 50653/50652 300763/300762 79-limit 493039/493038
temperaments of 7L 2s (3/1-equivalent)
- hyposoft:
- g = ~13/7, 2g = ~(8/7)*3, 6g = ~(3/2)*27
- 1029/1024, lemba
- hypohard:
- g = ~13/7, 2g = ~(15/13)*3, 4g = ~(4/3)*9
- b16&b23, 3.4.5.7.13, 3.5.7->enfactored canopus, 3.5.7.13, 2.3.5.7