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| The delta of a [[ratio]] is simply the difference between its numerator and its denominator. (Delta is also known as degree of epimoricity.) A ratio with a delta of N is called a delta-N ratio.
| | #redirect [[Superpartient ratio]] |
| {| class="wikitable" style="text-align:center;"
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| | [[Category:Terminology]] |
| examples
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| !delta-1 ratios
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| |2/1
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| |3/2
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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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| |etc.
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| |-
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| !delta-2 ratios
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| |3/1
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| |5/3
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| |7/5
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| |9/7
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| |11/9
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| |13/11
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| |etc.
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| |-
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| !delta-3 ratios
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| |4/1
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| |5/2
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| |7/4
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| |8/5
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| |10/7
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| |11/8
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| |etc.
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| |-
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| !delta-4 ratios
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| |5/1
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| |7/3
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| |9/5
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| |11/7
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| |13/9
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| |15/11
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| |etc.
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| |}
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| Thus [[superparticular]] ratios are delta-1 ratios, and [[Superpartient ratio|superpartient ratios]] are all ratios except delta-1 ratios. The delta-N terminology was coined by [[Kite Giedraitis]].
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| [[Category:Just intonation]] | |