Zeta peak index: Difference between revisions

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-A '''zeta peak index''' ('''ZPI''' or '''zpi''') is a [[tuning]] obtained from one of the peaks of the [[The Riemann zeta function and tuning|Riemann zeta function]].
+A '''zeta peak index''' ('''ZPI''' or '''zpi''') is an [[equal-step tuning]] obtained from one of the peaks of the [[The Riemann zeta function and tuning|Riemann zeta function]].
 For instance, the closest zeta peak of 12edo, which has a value of 12.023edo, is the 34th peak of the Riemann zeta function: this tuning is 34zpi.
 ZPIs are particularly useful when dealing with zeta peak tunings that are not closely associated with an integer [[EDO]]. For example, 22.597edo is 83zpi, 22.807edo is 84zpi, 23.026edo is 85zpi, 23.232edo is 86zpi, and 23.437edo is 87zpi.
-ZPIs are a kind of [[equal-step tuning]].
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