Uniform map: Difference between revisions
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Every [[edo]] has a finite number of possible uniform maps within a given prime limit, but an infinite number of uniform maps if no prime limit is given. | Every [[edo]] has a finite number of possible uniform maps within a given prime limit, but an infinite number of uniform maps if no prime limit is given. | ||
To find a uniform map for some ''n''-edo, choose any multiplier that rounds to ''n'' (anywhere from {{nowrap|''n'' − 0.5}} to {{nowrap|''n'' + 0.5}}). For example, 16.9 rounds to 17, so we could use that to find another example for 17edo. Uniformly multiplying 16.9 | To find a uniform map for some ''n''-edo, choose any multiplier that rounds to ''n'' (anywhere from {{nowrap|''n'' − 0.5}} to {{nowrap|''n'' + 0.5}}). For example, 16.9 rounds to 17, so we could use that to find another example for 17edo. Uniformly multiplying {{nowrap|16.9{{dot}}{{map| log<sub>2</sub>2 log<sub>2</sub>3 log<sub>2</sub>5 }} {{=}} {{map| 16.9 26.786 39.241 }}}}, which rounds to {{map| 17 27 39 }}. | ||
Subgroup uniform maps are also possible. For example, a uniform map on the 2.5.9/7 subgroup would be found by uniformly multiplying {{map|log<sub>2</sub>2 log<sub>2</sub>5 log<sub>2</sub>(9/7)}}. | Subgroup uniform maps are also possible. For example, a uniform map on the 2.5.9/7 subgroup would be found by uniformly multiplying {{map|log<sub>2</sub>2 log<sub>2</sub>5 log<sub>2</sub>(9/7)}}. |