User:BudjarnLambeth/12edo as a 2.3.5.17.19 tuning: Difference between revisions
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# An addition to the previous step: if the edo approximates any less-than-35ish^ multiple of an excluded prime N, with <15-20c^ absolute error, then turn the edo's subgroup into a composite subgroup, and include that multiple as a [[basis element]]. | # An addition to the previous step: if the edo approximates any less-than-35ish^ multiple of an excluded prime N, with <15-20c^ absolute error, then turn the edo's subgroup into a composite subgroup, and include that multiple as a [[basis element]]. | ||
# Another addition to the previous step: if the edo approximates any 30-[[integer-limit]] interval of an excluded prime N, with <~10c^ absolute error, then turn the edo's subgroup into a fractional subgroup, and include that multiple as a basis element, or include a fractional basis element which would make that interval accessible. | # Another addition to the previous step: if the edo approximates any 30-[[integer-limit]] interval of an excluded prime N, with <~10c^ absolute error, then turn the edo's subgroup into a fractional subgroup, and include that multiple as a basis element, or include a fractional basis element which would make that interval accessible. | ||
# If none of the above cases are true, but the edo | # If none of the above cases are true, but the edo has <15-20c^ absolute error on any primes N where N is 11 or smaller on all primes in a prime limit 7 or higher, use that prime limit. If that is the case for all but a small number^ of primes P, then just use the no-P version of the prime limit. | ||
# Avoid having more than one "no-n" where n is a prime 13 or higher. Just draw the cutoff there and leave out the second n and all primes higher than it. | # Avoid having more than one "no-n" where n is a prime 13 or higher. Just draw the cutoff there and leave out the second n and all primes higher than it. | ||
# Avoid having any "dual-n" where n is a prime 17 or higher. Just draw the cutoff there and leave out n and all primes higher than it. | # Avoid having any "dual-n" where n is a prime 17 or higher. Just draw the cutoff there and leave out n and all primes higher than it. | ||