Equave limit: Difference between revisions
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The '''equave limit'''{{idiosyncratic}} generalizes the concept of [[odd limit]], extending for any [[equave]] what the odd-limit represents specifically for the equave 2/1. | |||
The '''equave | |||
==Definition== | == Definition == | ||
The '''q-equave-n-limit''' is defined as the set of all positive rationals | The '''''q''-equave-''n''-limit''' is defined as the set of all positive rationals <math>\displaystyle | ||
{q^z}\frac{u}{v} | {q^z}\cdot\frac{u}{v} | ||
</math | </math>, where: | ||
* <math> | * <math>q \in \mathbb{Q}^{+}</math> (i.e., <math>q</math> is a positive rational number), called the '''equave''', | ||
* <math> | * <math>z \in \mathbb{Z}</math> (i.e., <math>z</math> is an integer, positive or negative), | ||
* <math>u, | * <math>u,v \in \mathbb{Z}^{+}</math> (i.e., <math>u</math> and <math>v</math> are positive integers) such that <math>u \leqslant n</math> and <math>v \leqslant n</math>, | ||
* <math> | * <math>n \in \mathbb{Z}^{+}</math> (i.e., <math>n</math> is a positive integer), called the '''limit'''. | ||
The parameter <math>n</math> places an upper bound on the values of the integers <math>u</math> and <math>v</math>, meaning that both <math>u</math> and <math>v</math> are less than or equal to <math>n</math>. Thus, the ''' | The parameter <math>n</math> places an upper bound on the values of the integers <math>u</math> and <math>v</math>, meaning that both <math>u</math> and <math>v</math> are less than or equal to <math>n</math>. Thus, the ''q''-equave-''n''-limit consists of ratios generated by multiplying a power of <math>q</math> by ratios <math>\displaystyle | ||
\frac{u}{v} | \frac{u}{v} | ||
</math>, where the numerator and denominator are constrained by the limit <math>n</math>. | </math>, where the numerator and denominator are constrained by the limit <math>n</math>. | ||
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\frac{u}{v} | \frac{u}{v} | ||
</math> by restricting them to a specific [[just intonation subgroup]]. | </math> by restricting them to a specific [[just intonation subgroup]]. | ||
[[Category:Limit]] |