Landscape family: Difference between revisions

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The '''landscape family''' of rank three temperaments tempers out the [[landscape comma]], 250047/250000.
The '''landscape family''' of rank-3 temperaments tempers out the [[landscape comma]], 250047/250000.


= Landscape =
= Landscape =
Comma: 250047/250000


7-limit minimax tuning
Subgroup: 2.3.5.7


[|9 0 0 0>, |4 3 6 -3>, |0 0 9 0>, |4 -6 6 6>]/9
[[Comma list]]: 250047/250000


Eigenmonzos: 7/6, 5/4
[[Mapping]]: [<3 0 0 4|, <0 1 0 -2|, <0 0 1 2|]


9-limit minimax tuning
Mapping generators: ~63/50, ~3, ~5


[|12 0 0 0>, |4 6 6 -3>, |0 0 12 0>, |8 -12 12 6>]/12
[[Minimax tuning]]:
 
* [[7-odd-limit]]
Eigenmonzos: 5/4, 9/7
: [{{monzo| 9 0 0 0 }}, {{monzo| 4 3 6 -3 }}, {{monzo| 0 0 9 0 }}, {{monzo| 4 -6 6 6 }}]/9
 
: Eigenmonzos: 7/6, 5/4
Map: [<3 0 0 4|, <0 1 0 -2|, <0 0 1 2|]
* [[9-odd-limit]]
 
: [{{monzo| 12 0 0 0 }}, {{monzo| 4 6 6 -3 }}, {{monzo| 0 0 12 0 }}, {{monzo| 8 -12 12 6 }}]/12
Generators: 63/50, 3, 5
: Eigenmonzos: 5/4, 9/7


{{EDOs|legend=1| 3, 12, 27, 45, 57, 60, 72, 99, 171, 441, 612, 1236, 1407, 1578, 1848, 2019, 6498, 8346, 8517, 10536, 12555 }}
{{EDOs|legend=1| 3, 12, 27, 45, 57, 60, 72, 99, 171, 441, 612, 1236, 1407, 1578, 1848, 2019, 6498, 8346, 8517, 10536, 12555 }}


10<sup>5</sup> × badness: 2.130
[[Badness]]: 0.02130 × 10<sup>-3</sup>


= Odin =
= Odin =
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{{see also| Lehmerismic temperaments #Tyr }}
{{see also| Lehmerismic temperaments #Tyr }}


[[Category:Theory]]
[[Category:Regular temperament theory]]
[[Category:Temperament family]]
[[Category:Temperament family]]
[[Category:Landscape]]
[[Category:Landscape]]
[[Category:Rank 3]]
[[Category:Rank 3]]

Revision as of 07:08, 24 May 2021

The landscape family of rank-3 temperaments tempers out the landscape comma, 250047/250000.

Landscape

Subgroup: 2.3.5.7

Comma list: 250047/250000

Mapping: [<3 0 0 4|, <0 1 0 -2|, <0 0 1 2|]

Mapping generators: ~63/50, ~3, ~5

Minimax tuning:

[[9 0 0 0, [4 3 6 -3, [0 0 9 0, [4 -6 6 6]/9
Eigenmonzos: 7/6, 5/4
[[12 0 0 0, [4 6 6 -3, [0 0 12 0, [8 -12 12 6]/12
Eigenmonzos: 5/4, 9/7

EDOs3, 12, 27, 45, 57, 60, 72, 99, 171, 441, 612, 1236, 1407, 1578, 1848, 2019, 6498, 8346, 8517, 10536, 12555

Badness: 0.02130 × 10-3

Odin

Tyr