User:Kaiveran/OLITTA Distance: Difference between revisions
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'''Odd-limit-integrating triangularized taxicab distance''' (or '''OLITTA Distance''', for short) is a modified form of triangularized [[Commas by taxicab distance#Triangularizing proposal|taxicab distance]], developed by Kaiveran in response to an issue raised by Kite Giedraitis in his original formulation, namely that the procedure can designate certain intervals as "2-steps" (e.g [[9/7]]) which are in fact less complex both in prime- and odd-limit than some | '''Odd-limit-integrating triangularized taxicab distance''' (or '''OLITTA Distance''', for short) is a modified form of triangularized [[Commas by taxicab distance#Triangularizing proposal|taxicab distance]], developed by [[User:Kaiveran|Kaiveran]] in response to an issue raised by Kite Giedraitis in his original formulation, namely that the procedure can designate certain intervals as "2-steps" (e.g [[9/7]]) which are in fact less complex both in prime- and odd-limit than some "1-steps" (e.g [[11/7]]). | ||
== | == Procedure == | ||
(bleh, odd-number step down, include adjacent non-primes [e.g 13-prime-limit automatically extends to 15], open with comparison to Kite) | (bleh, odd-number step down, include adjacent non-primes [e.g 13-prime-limit automatically extends to 15], open with comparison to Kite) | ||
== | == Advantages & Disadvantages == | ||
(you | (simplify and gives you more moves to use) | ||
The chief disadvantage | The chief disadvantage is that OLITTA distance (as formulated above) is not a deterministic measure, unlike both regular and Kite-triangularized taxicab distance. Or, put another way, OLITTA measure ''has a designated odd-limit'', just like your piece of music does. | ||
This might be interesting for certain purposes, but most people would prefer a measure that does not change arbitrarily, and whose results depend only on the prime factors involved in the ratio. | |||
(prime gap splitting method, with adjacent non-primes and midpoints between prime gaps always included: | |||
7-limit automatically includes ratios of 9 | |||
13-limit automatically includes ratios of 15 | |||
23-limit automatically includes ratios of 25 | |||
89-limit automatically includes ratios of 91 and 93) | |||
== Examples == | == Examples == | ||
( | (comparative btw all 3 methods. you might not always want OLITTA, esp. for comma pump progressions) |