Scala analysis: 637_T44

Aristoxenian style tetrachord 5 + 10 + 15, Chapter 4

Generated by Scala: https://www.huygens-fokker.org/scala/

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:         83.333 cents      83.333330
  2:        250.000 cents     250.000000
  3:        500.000 cents     500.000000
SHOW/INTERVAL
  0:        250.0000 cents    250.0000
  1:         83.3333 cents     83.3333
  2:        166.6667 cents    166.6667
  3:        250.0000 cents    250.0000
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 83.33333 cents
  1:   1 166.66667 cents
  1:   1 250.00000 cents
  2:   1 250.00000 cents
  2:   1 333.33333 cents
  2:   1 416.66667 cents
Highest number of different intervals for one interval class: 3
Average number of different intervals per interval class: 3.00000 = 3
SHOW/LINE/CENTS INTERVALS
        1     2     3    
 0.0  : 83.3  250.0 500.0
 83.3 : 166.7 416.7 500.0
 250.0: 250.0 333.3 500.0
 500.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  83.3333   .. 250.0000 cents      166.66667 cents                    83.33333 cents
  2:  250.0000  .. 416.6667 cents      166.66667 cents                    1/1, 0.0000 cents
SHOW DATA
Number of notes                     : 3
-- Interval properties --
Smallest interval                   : 83.33333 cents, class 1
Average step (divided formal octave): 166.6667 cents
Largest one step interval           : 250.00000 cents
Average / Smallest step             : 2.000000
Largest / Average step              : 1.500000
Largest / Smallest step             : 3.000000
Median interval of one step         : 166.66667 cents, amount: 1
Least squares average step          : 148.80952 cents, oct.:  446.42857 cents
Scale is proper
Scale has trivalence property
Scale is a mode of a 6-tone equal temperament with octave  500.000 cents
  degrees: 1 3 6
Least number of segments generator  : 5 of 416.667 cents and inv.
  number of contiguous generator circle segments: 1
Shortest superset generator         : 5 of 416.667 cents and inv.
  generated superset size: 4 = 1 more = 133.333%
Number of contiguous 1-step segments: 1
Step pattern alph. order: ABC
Step pattern size order : SML
Interval vector is [ 1 1 1 ]
Scale is sum-free (all different intervals)
Scale is not a Constant Structure
Scale diversity                     : 1.058745
Rothenberg stability                : 0.666667 = 2/3
Lumma stability                     : 0.333333
Rothenberg efficiency               : 0.777778   redundancy: 0.222222
Efficiency x scale size             : 2.333333
Number of different interval sizes  : 5 = 2.50000 / class
Number of one step interval sizes   : 3
Highest interval variety            : 3
Mean interval variety               : 3.00000 = 3
Median interval variety             : 3
Lowest interval variety             : 3
Smallest interval difference        : 83.33333 cents
Most common intervals               : 250.00000 cents & inv., amount: 2
Number of recognisable fifths       : 0
Number of recognisable fourths      : 0
Best minor thirds form a closed circle
Steps are strictly increasing
Formal octave complements present   : 2 = 66.6667%
2/1 octave complements present      : 0 = 0.0000%
-- Rational properties --
FIT/MODE
  3:  0 1 2   N G T3   SD: 68.0414 c. M: 83.3333 c. 
  4:  1 1 2   P M ME S SD: 24.0563 c. M:-41.6667 c. 
  6:  1 2 3   P   T3   SD: 0.0000 c. M:-0.0000 c. 
FIT/HARMONIC
 1 x x 2  S SD: 700.0000 cents
 2 x x 3  S SD: 201.9550 cents
 3 x x 4  S SD: 1.9550 cents
 4 x x 5  S SD: 113.6863 cents
 5 x 6:7  S SD: 52.7187 cents
 6 x 7:8  S SD: 8.4919 cents
 7 x 8:9  S SD: 33.7953 cents
 8 x 9:11    SD: 34.4885 cents
 9 x 10:12  S SD: 33.8123 cents
 11:12:13:15    SD: 28.7374 cents
 12:13:14:16  S SD: 19.2638 cents
 13:14:15:17    SD: 19.1263 cents
 14:15:16:19    SD: 16.6041 cents
 15:16:17:20    SD: 14.6061 cents
 17:18:20:23    SD: 14.0283 cents
 18:19:21:24    SD: 6.6158 cents
 21:22:24:28  S SD: 6.3775 cents
 37:39:43:49    SD: 6.2530 cents
 38:40:44:51    SD: 3.8396 cents
 39:41:45:52    SD: 1.4706 cents
 83:87:96:111    SD: 1.3996 cents
 84:88:97:112    SD: 1.1750 cents
 102:107:118:136    SD: 1.0093 cents
 122:128:141:163    SD: 0.5682 cents
 161:169:186:215    SD: 0.3220 cents
 245:257:283:327    SD: 0.2306 cents
 367:385:424:490    SD: 0.1995 cents
 406:426:469:542    SD: 0.1111 cents