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Porwell family: Difference between revisions

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The '''porwell family''' of rank-3 temperaments tempers out the porwell comma, {{monzo| 11 1 -3 -2 }} = [[6144/6125]].
{{Technical data page}}
The '''porwell family''' of [[rank-3 temperament|rank-3]] [[regular temperament]]s [[tempering out|tempers out]] the [[porwell comma]] ({{monzo|legend=1| 11 1 -3 -2 }}, [[ratio]]: 6144/6125).
 
== Porwell ==
Porwell is catalogued as ''hewuermity'' in [[Graham Breed]]'s temperament finder.  


== Porwell aka hewuermity ==
[[Subgroup]]: 2.3.5.7
[[Subgroup]]: 2.3.5.7


Line 7: Line 10:


{{Mapping|legend=1| 1 0 1 4 | 0 1 1 -1 | 0 0 -2 3 }}
{{Mapping|legend=1| 1 0 1 4 | 0 1 1 -1 | 0 0 -2 3 }}
: mapping generators: ~2, ~3, ~35/32
: mapping generators: ~2, ~3, ~35/32


[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~3/2 = 702.3482, ~35/32 = 157.4677
[[Optimal tuning]]s:
* [[WE]]: ~2 = 1199.7101{{c}}, ~3/2 = 702.1785{{c}}, ~35/32 = 157.4296{{c}}
: [[error map]]: {{val| -0.290 -0.066 +0.426 +0.415 }}
* [[CWE]]: ~2 = 1200.0000{{c}}, ~3/2 = 702.1875{{c}}, ~35/32 = 157.3944{{c}}
: error map: {{val| 0.000 +0.233 +1.085 +1.170 }}


[[Minimax tuning]]:  
[[Minimax tuning]]:  
* 7- and [[9-odd-limit]]
* [[7-odd-limit|7-]] and [[9-odd-limit]]
: {{monzo list| 1 0 0 0 | 0 1 0 0 | 11/5 1/5 2/5 -2/5 | 11/5 1/5 -3/5 3/5 }}
: {{monzo list| 1 0 0 0 | 0 1 0 0 | 11/5 1/5 2/5 -2/5 | 11/5 1/5 -3/5 3/5 }}
: [[Eigenmonzo basis|eigenmonzo (unchanged-interval) basis]]: 2.3.7/5
: [[eigenmonzo basis|unchanged-interval (eigenmonzo) basis]]: 2.3.7/5


{{Optimal ET sequence|legend=1| 15, 22, 31, 46, 53, 84, 99, 229, 251, 282, 381 }}
{{Optimal ET sequence|legend=1| 15, 22, 31, 46, 53, 84, 99, 229, 251, 282, 381 }}


[[Badness]]: 0.142 × 10<sup>-3</sup>
[[Badness]] (Sintel): 0.628


[[Projection pair]]s: 3 6125/2048 to 2.5.7
[[Projection pair]]s: <code>3 6125/2048</code> to 2.5.7


== Zeus ==
== Zeus ==
{{Main| Zeus }}
{{Main| Zeus }}
{{See also| Biyatismic clan #Zeus }}
[[Subgroup]]: 2.3.5.7.11
[[Comma list]]: 121/120, 176/175
{{Mapping|legend=1| 1 0 1 4 2 | 0 1 1 -1 1 | 0 0 -2 3 1 }}
[[Mapping to lattice]]: [{{val| 0 1 -1 2 0 }}, {{val| 0 1 1 -1 1 }}]
Lattice basis:
: 11/10, 11/8
: Angle (11/10, 11/8) = 87.464 degrees
[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~3/2 = 702.1530, ~11/10 = 157.0881
[[Minimax tuning]]:
* [[11-odd-limit]]
: [{{monzo| 1 0 0 0 0 }}, {{monzo| 11/9 10/9 -1/3 -2/9 0 }}, {{monzo| 22/9 2/9 1/3 -4/9 0 }}, {{monzo| 22/9 2/9 -2/3 5/9 0 }}, {{monzo| 10/3 2/3 0 -1/3 0 }}]
: [[Eigenmonzo basis|eigenmonzo (unchanged-interval) basis]]: 2.9/5.9/7
{{Optimal ET sequence|legend=1| 15, 22, 31, 46, 53, 68, 77, 99, 130e }}
[[Badness]]: 0.400 × 10<sup>-3</sup>
[[Projection pair]]s: 5 600/121 7 2662/375 11 120/11 to 2.3.11/5
Zeus11[22] [[hobbit]] [[transversal]]
: 33/32, 16/15, 11/10, 8/7, 64/55, 77/64, 5/4, 14/11, 4/3,
: 11/8, 45/32, 16/11, 3/2, 11/7, 8/5, 5/3, 55/32, 7/4,
: 11/6, 15/8, 64/33, 2


Zeus11[24] hobbit transversal
Zeus tempers out [[121/120]], [[176/175]], and [[385/384]]. See [[Biyatismic clan #Zeus]].  
: 33/32, 16/15, 11/10, 9/8, 8/7, 77/64, 11/9, 5/4, 21/16, 4/3,
: 11/8, 45/32, 16/11, 3/2, 32/21, 8/5, 18/11, 5/3, 7/4, 16/9,
: 11/6, 15/8, 64/33, 2
 
=== 13-limit ===
Subgroup: 2.3.5.7.11.13
 
Comma list: 121/120, 176/175, 351/350
 
Mapping: {{mapping| 1 0 1 4 2 7 | 0 1 1 -1 1 -2 | 0 0 -2 3 -1 -1 }}
 
Mapping to lattice: [{{val| 0 1 -1 2 0 -3 }}, {{val| 0 1 1 -1 1 -2 }}]
 
Lattice basis:
: 11/10 length = 0.7898, 11/8 length = 1.002
: Angle (11/10, 11/8) = 106.7439 degrees
 
Optimal tuning (POTE): ~2 = 1\1, ~3/2 = 701.8679, ~11/10 = 156.9582
 
Minimax tuning:
* 13-odd-limit
: [{{monzo| 1 0 0 0 0 0 }}, {{monzo| 11/9 10/9 -1/3 -2/9 0 0 }}, {{monzo| 22/9 2/9 1/3 -4/9 0 0 }}, {{monzo| 22/9 2/9 -2/3 5/9 0 0 }}, {{monzo| 10/3 2/3 0 -1/3 0 0 }}, {{monzo| 14/3 -8/3 1 1/3 0 0 }}]
: eigenmonzo (unchanged-interval) basis: 2.9/5.9/7
* 15-odd-limit
: [{{monzo| 1 0 0 0 0 0 }}, {{monzo| 0 1 0 0 0 0 }}, {{monzo| 11/5 1/5 2/5 -2/5 0 0 }}, {{monzo| 11/5 1/5 -3/5 3/5 0 0 }}, {{monzo| 13/5 3/5 1/5 -1/5 0 0 }}, {{monzo| 38/5 -12/5 1/5 -1/5 0 0 }}]
: eigenmonzo (unchanged-interval) basis: 2.3.7/5
 
{{Optimal ET sequence|legend=1| 15, 22, 31, 46, 53, 77, 99, 130e }}
 
Badness: 0.934 × 10<sup>-3</sup>
 
Projection pairs: 5 600/121 7 2662/375 11 120/11 13 1280/99 to 2.3.11/5
 
Zeus13[22] hobbit transversal
: 260/243, 88/81, 11/10, 44/39, 162/143, 11/9, 16/13, 320/243, 4/3, 1040/729, 13/9, 729/520, 3/2, 99/65, 44/27, 18/11, 1280/729, 16/9, 11/6, 24/13, 243/130, 2
 
=== Tinia ===
Subgroup: 2.3.5.7.11.13
 
Comma list: 66/65, 121/120, 176/175
 
Mapping: {{mapping| 1 0 1 4 2 2 | 0 1 1 -1 1 1 | 0 0 -2 3 -1 -1 }}
 
Optimal tuning (POTE): ~2 = 1\1, ~3/2 = 699.3420, ~11/10 = 155.3666
 
{{Optimal ET sequence|legend=1| 7, 9, 15, 22f, 24, 31 }}
 
Badness: 0.808 × 10<sup>-3</sup>


== Jupiter ==
== Jupiter ==
Line 113: Line 40:


{{Mapping|legend=1| 1 0 1 4 -5 | 0 1 1 -1 6 | 0 0 -2 3 -8 }}
{{Mapping|legend=1| 1 0 1 4 -5 | 0 1 1 -1 6 | 0 0 -2 3 -8 }}
[[Optimal tuning]]s:
* [[WE]]: ~2 = 1199.7232{{c}}, ~3/2 = 701.9496{{c}}, ~35/32 = 157.4667{{c}}
: [[error map]]: {{val| -0.277 -0.282 +0.149 +0.794 +0.369 }}
* [[CWE]]: ~2 = 1200.0000{{c}}, ~3/2 = 701.9677{{c}}, ~35/32 = 157.4315{{c}}
: error map: {{val| 0.000 +0.013 +0.791 +1.501 +1.037 }}


{{Optimal ET sequence|legend=1| 22, 31, 53, 84e, 99e, 121, 130, 152, 282, 434de, 465d, 617de, 747cde, 899cdde }}
{{Optimal ET sequence|legend=1| 22, 31, 53, 84e, 99e, 121, 130, 152, 282, 434de, 465d, 617de, 747cde, 899cdde }}


[[Badness]]: 0.562 × 10<sup>-3</sup>
[[Badness]] (Sintel): 0.676


== Hera ==
== Hera ==
Hera tempers out 8019/8000, the [[trimitone comma]]. It was named by [[Flora Canou]] in 2021 as a more complex counterpart of [[zeus]].
[[Subgroup]]: 2.3.5.7.11
[[Subgroup]]: 2.3.5.7.11


Line 125: Line 60:
{{Mapping|legend=1| 1 0 1 4 9 | 0 1 1 -1 -3 | 0 0 -2 3 -6 }}
{{Mapping|legend=1| 1 0 1 4 9 | 0 1 1 -1 -3 | 0 0 -2 3 -6 }}


[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~3/2 = 701.8035, ~35/32 = 157.1649
[[Optimal tuning]]s:
* [[WE]]: ~2 = 1199.8410{{c}}, ~3/2 = 701.7105{{c}}, ~35/32 = 157.1441{{c}}
: [[error map]]: {{val| -0.159 -0.403 +0.791 +0.419 -0.268 }}
* [[CWE]]: ~2 = 1200.0000{{c}}, ~3/2 = 701.8035{{c}}, ~35/32 = 157.1741{{c}}
: error map: {{val| 0.000 -0.153 +1.140 +0.894 +0.232 }}


{{Optimal ET sequence|legend=1| 46, 53, 84, 99, 130, 183, 313, 359, 542c, 672c }}
{{Optimal ET sequence|legend=1| 46, 53, 84, 99, 130, 183, 313, 359, 542c, 672c }}


[[Badness]]: 2.23 × 10<sup>-3</sup>
[[Badness]] (Sintel): 2.68


=== 13-limit ===
=== 13-limit ===
Line 138: Line 77:
Mapping: {{mapping| 1 0 1 4 9 7 | 0 1 1 -1 -3 -2 | 0 0 -2 3 -6 -1 }}
Mapping: {{mapping| 1 0 1 4 9 7 | 0 1 1 -1 -3 -2 | 0 0 -2 3 -6 -1 }}


Optimal tuning (POTE): ~2 = 1\1, ~3/2 = 701.6641, ~35/32 = 157.1899
Optimal tunings:  
* WE: ~2 = 1199.9170{{c}}, ~3/2 = 701.6155{{c}}, ~35/32 = 157.1791{{c}}
* CWE: ~2 = 1200.0000{{c}}, ~3/2 = 701.6672{{c}}, ~35/32 = 157.1942{{c}}


{{Optimal ET sequence|legend=1| 46, 53, 84, 99, 130, 183, 313 }}
{{Optimal ET sequence|legend=0| 46, 53, 84, 99, 130, 183, 313 }}


Badness: 1.30 × 10<sup>-3</sup>
Badness (Sintel): 1.21


== Semiporwell ==
== Semiporwell ==
Named by [[Flora Canou]] in 2021, semiporwell tempers out 9801/9800, the [[kalisma]], as well as 16384/16335, the [[semiporwellisma]].
[[Subgroup]]: 2.3.5.7.11
[[Subgroup]]: 2.3.5.7.11


Line 150: Line 93:


{{Mapping|legend=1| 2 0 0 11 14 | 0 1 1 -1 -2 | 0 0 2 -3 -1 }}
{{Mapping|legend=1| 2 0 0 11 14 | 0 1 1 -1 -2 | 0 0 2 -3 -1 }}
: mapping generators: ~99/70, ~3, ~128/99
: mapping generators: ~99/70, ~3, ~128/99


[[Optimal tuning]] ([[POTE]]): ~99/70 = 1\2, ~3/2 = 702.4613, ~128/99 = 442.4903
[[Optimal tuning]]s:
* [[WE]]: ~99/70 = 599.8385{{c}}, ~3/2 = 702.2722{{c}}, ~128/99 = 442.3712{{c}}
: [[error map]]: {{val| -0.323 -0.006 +0.378 +0.335 +0.152 }}
* [[CWE]]: ~99/70 = 600.0000{{c}}, ~3/2 = 702.4280{{c}}, ~128/99 = 442.5202{{c}}
: error map: {{val| 0.000 +0.473 +1.155 +1.185 +1.306 }}


{{Optimal ET sequence|legend=1| 22, 46, 68, 84, 106, 130, 152, 282, 328, 480, 1112bccddee, 1242ccddee, 1722bcccdddeee }}
{{Optimal ET sequence|legend=1| 22, 46, 68, 84, 106, 130, 152, 282, 328, 480, 1112bccddee, 1242ccddee, 1722bcccdddeee }}


[[Badness]]: 1.25 × 10<sup>-3</sup>
[[Badness]] (Sintel): 1.51


=== 13-limit ===
=== 13-limit ===
Line 166: Line 112:
Mapping: {{mapping| 2 0 0 11 14 15 | 0 1 1 -1 -2 -1 | 0 0 2 -3 -1 -6 }}
Mapping: {{mapping| 2 0 0 11 14 15 | 0 1 1 -1 -2 -1 | 0 0 2 -3 -1 -6 }}


Optimal tuning (POTE): ~99/70 = 1\2, ~3/2 = 702.3964, ~84/65 = 442.5902
Optimal tunings:
* WE: ~99/70 = 599.8357{{c}}, ~3/2 = 702.2041{{c}}, ~84/65 = 442.4690{{c}}
* CWE: ~99/70 = 600.0000{{c}}, ~3/2 = 702.3576{{c}}, ~84/65 = 442.6282{{c}}


{{Optimal ET sequence|legend=1| 22f, 38e, 46, 68, 84, 130, 198, 282, 328, 480f, 610cdef, 808cdeff, 1090ccdeefff, 1418bcccddeeefff }}
{{Optimal ET sequence|legend=0| 22f, 38e, 46, 68, 84, 130, 198, 282, 328, 480f, 610cdef, 808cdeff, 1090ccdeefff, 1418bcccddeeefff }}


Badness: 1.22 × 10<sup>-3</sup>
Badness (Sintel): 1.14


[[Category:Temperament families]]
[[Category:Temperament families]]
[[Category:Porwell family| ]] <!-- main article -->
[[Category:Porwell family| ]] <!-- main article -->
[[Category:Porwell| ]] <!-- key article -->
[[Category:Rank 3]]
[[Category:Rank 3]]
Retrieved from "https://en.xen.wiki/w/Porwell_family"