Any of a number of different measures of scalar properties introduced by Larry Polansky (Polansky 1987b).
Polansky, Larry. 1987.
"HMSL Intonation Environment"
1/1 vol. 3 no. 1, winter 1987, pp. 4-6, 10-12, 15.
Polansky, Larry. 1987.
"Paratactical Tuning: An Agenda for the Use of Computers in Experimental Intonation"
Computer Music Journal vol. 11 no. 1, spring 1987, pp. 61-68.
Polansky, Larry. 1993.
"Morphological Metrics"
Journal of Music Theory vol. 37, 1993.
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