Hemimage temperaments: Difference between revisions

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{{Technical data page}}<br><br>
{{Technical data page}}
This is a collection of [[Rank-2 temperament|rank-2]] [[temperament]]s [[tempering out]] the [[hemimage comma]], {{monzo| 5 -7 -1 3 }} = 10976/10935. These include commatic, chromat, degrees, subfourth, and bisupermajor, considered below, as well as the following discussed elsewhere:  
This is a collection of [[rank-2 temperament|rank-2]] [[temperament]]s [[tempering out]] the [[hemimage comma]] ({{monzo|legend=1| 5 -7 -1 3 }}, [[ratio]]: 10976/10935). These include chromat, degrees, bicommatic, bisupermajor, and squarschmidt, considered below, as well as the following discussed elsewhere:  
* ''[[Quasisuper]]'' (+64/63) → [[Archytas clan #Quasisuper|Archytas clan]]
* ''[[Quasisuper]]'' (+64/63) → [[Archytas clan #Quasisuper|Archytas clan]]
* ''[[Liese]]'' (+81/80) → [[Meantone family #Liese|Meantone family]]
* ''[[Liese]]'' (+81/80) → [[Meantone family #Liese|Meantone family]]
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* ''[[Hendecatonic]]'' (+6144/6125) → [[Porwell temperaments #Hendecatonic|Porwell temperaments]]
* ''[[Hendecatonic]]'' (+6144/6125) → [[Porwell temperaments #Hendecatonic|Porwell temperaments]]
* ''[[Marfifths]]'' (+15625/15552) → [[Kleismic family #Marfifths|Kleismic family]]
* ''[[Marfifths]]'' (+15625/15552) → [[Kleismic family #Marfifths|Kleismic family]]
* ''[[Subfourth]]'' (+65536/64827) → [[Buzzardsmic clan #Subfourth|Buzzardsmic clan]]
* ''[[Cotoneum]]'' (+33554432/33480783) → [[Garischismic clan #Cotoneum|Garischismic clan]]
* ''[[Cotoneum]]'' (+33554432/33480783) → [[Garischismic clan #Cotoneum|Garischismic clan]]
* ''[[Yarman I]]'' (+244140625/243045684) → [[Quartonic family]]
* ''[[Yarman I]]'' (+244140625/243045684) → [[Quartonic family]]
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{{Mapping|legend=1| 3 4 5 6 | 0 5 13 16 }}
{{Mapping|legend=1| 3 4 5 6 | 0 5 13 16 }}
{{Multival|legend=1| 15 39 48 27 34 2 }}


: mapping generators: ~63/50, ~28/27
: mapping generators: ~63/50, ~28/27
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: mapping generators: ~1225/864, ~192/175
: mapping generators: ~1225/864, ~192/175
{{Multival|legend=1| 16 -10 34 -53 9 107 }}


[[Optimal tuning]] ([[POTE]]): ~1225/864 = 1\2, ~192/175 = 162.806
[[Optimal tuning]] ([[POTE]]): ~1225/864 = 1\2, ~192/175 = 162.806
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: mapping generators: ~567/400, ~81/80
: mapping generators: ~567/400, ~81/80
{{Multival|legend=1| 10 38 36 37 29 -23 }}


[[Optimal tuning]] ([[POTE]]): ~567/400 = 1\2, ~81/80 = 20.377
[[Optimal tuning]] ([[POTE]]): ~567/400 = 1\2, ~81/80 = 20.377
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: mapping generators: ~28/27, ~3
: mapping generators: ~28/27, ~3
{{Multival|legend=1| 20 40 60 17 39 27 }}


[[Optimal tuning]] ([[POTE]]): ~28/27 = 1\20, ~3/2 = 703.015 (~126/125 = 16.985)
[[Optimal tuning]] ([[POTE]]): ~28/27 = 1\20, ~3/2 = 703.015 (~126/125 = 16.985)
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[[Badness]]: 0.106471
[[Badness]]: 0.106471


Badness (Dirichlet): 2.694
Badness (Sintel): 2.694


=== 11-limit ===
=== 11-limit ===
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Badness: 0.046770
Badness: 0.046770


Badness (Dirichlet): 1.546
Badness (Sintel): 1.546


=== 13-limit ===
=== 13-limit ===
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Badness: 0.032718
Badness: 0.032718


Badness (Dirichlet): 1.352
Badness (Sintel): 1.352


=== 17-limit ===
=== 17-limit ===
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{{Optimal ET sequence|legend=1| 20cde, 60e, 80, 140 }}
{{Optimal ET sequence|legend=1| 20cde, 60e, 80, 140 }}


Badness (Dirichlet): 1.171
Badness (Sintel): 1.171


=== 19-limit ===
=== 19-limit ===
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{{Optimal ET sequence|legend=1| 20cde, 60e, 80, 140 }}
{{Optimal ET sequence|legend=1| 20cde, 60e, 80, 140 }}


Badness (Dirichlet): 1.273
Badness (Sintel): 1.273


=== 23-limit ===
=== 23-limit ===
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{{Optimal ET sequence|legend=1| 20cdei, 60e, 80, 140 }}
{{Optimal ET sequence|legend=1| 20cdei, 60e, 80, 140 }}


Badness (Dirichlet): 1.209
Badness (Sintel): 1.209


=== 29-limit ===
=== 29-limit ===
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{{Optimal ET sequence|legend=1| 20cdeij, 60e, 80, 140 }}
{{Optimal ET sequence|legend=1| 20cdeij, 60e, 80, 140 }}


Badness (Dirichlet): 1.134
Badness (Sintel): 1.134


=== no-31's 37-limit ===
=== no-31's 37-limit ===
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{{Optimal ET sequence|legend=1| 20cdeijl, 60el, 80, 140 }}
{{Optimal ET sequence|legend=1| 20cdeijl, 60el, 80, 140 }}


Badness (Dirichlet): 1.127
Badness (Sintel): 1.127


=== no-31's 41-limit ===
=== no-31's 41-limit ===
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{{Optimal ET sequence|legend=1| 20cdeijlm, 60el, 80, 140 }}
{{Optimal ET sequence|legend=1| 20cdeijlm, 60el, 80, 140 }}


Badness (Dirichlet): 1.100
Badness (Sintel): 1.100


== Squarschmidt ==
== Squarschmidt ==
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{{Mapping|legend=1| 1 -8 1 -20 | 0 29 4 69 }}
{{Mapping|legend=1| 1 -8 1 -20 | 0 29 4 69 }}
{{Multival|legend=1| 29 4 69 -61 28 149 }}


[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~1125/896 = 396.643
[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~1125/896 = 396.643
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Badness: 0.038186
Badness: 0.038186
== Subfourth ==
[[Subgroup]]: 2.3.5.7
[[Comma list]]: 10976/10935, 65536/64827
{{Mapping|legend=1| 1 0 17 4 | 0 4 -37 -3 }}
: mapping generators: ~2, ~21/16
{{Multival|legend=1| 4 -37 -3 -68 -16 97 }}
[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~21/16 = 475.991
{{Optimal ET sequence|legend=1| 58, 121, 179, 300bd, 479bcd }}
[[Badness]]: 0.140722
=== 11-limit ===
Subgroup: 2.3.5.7.11
Comma list: 540/539, 896/891, 12005/11979
Mapping: {{mapping| 1 0 17 4 11 | 0 4 -37 -3 -19 }}
Optimal tuning (POTE): ~2 = 1\1, ~21/16 = 475.995
{{Optimal ET sequence|legend=1| 58, 121, 179e, 300bde }}
Badness: 0.045323
=== 13-limit ===
Subgroup: 2.3.5.7.11.13
Comma list: 352/351, 364/363, 540/539, 676/675
Mapping: {{mapping| 1 0 17 4 11 16 | 0 4 -37 -3 -19 -31 }}
Optimal tuning (POTE): ~2 = 1\1, ~21/16 = 475.996
{{Optimal ET sequence|legend=1| 58, 121, 179ef, 300bdef }}
Badness: 0.023800


[[Category:Temperament collections]]
[[Category:Temperament collections]]
[[Category:Pages with mostly numerical content]]
[[Category:Hemimage temperaments| ]] <!-- main article -->
[[Category:Hemimage temperaments| ]] <!-- main article -->
[[Category:Hemimage| ]] <!-- key article -->
[[Category:Hemimage| ]] <!-- key article -->
[[Category:Rank 2]]
[[Category:Rank 2]]