Scala analysis: 691_T98

Tempered tetrachord in cents 145 + 165 + 190, Chapter 5

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:        145.000 cents     145.000000
  2:        310.000 cents     310.000000
  3:        500.000 cents     500.000000
SHOW/INTERVAL
  0:        190.0000 cents    190.0000
  1:        145.0000 cents    145.0000
  2:        165.0000 cents    165.0000
  3:        190.0000 cents    190.0000
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 145.00000 cents
  1:   1 165.00000 cents
  1:   1 190.00000 cents
  2:   1 310.00000 cents
  2:   1 335.00000 cents
  2:   1 355.00000 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  : 145.0 310.0 500.0
 145.0: 165.0 355.0 500.0
 310.0: 190.0 335.0 500.0
 500.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  145.0000  .. 190.0000 cents      45.00000 cents                     145.00000 cents
  2:  310.0000  .. 355.0000 cents      45.00000 cents                     120.00000 cents
SHOW DATA
Number of notes                     : 3
-- Interval properties --
Smallest interval                   : 145.00000 cents, class 1
Average step (divided formal octave): 166.6667 cents
Largest one step interval           : 190.00000 cents
Average / Smallest step             : 1.149425
Largest / Average step              : 1.140000
Largest / Smallest step             : 1.310345
Median interval of one step         : 165.00000 cents, amount: 1
Least squares average step          : 161.78571 cents, oct.:  485.35714 cents
Scale is strictly proper
Scale has trivalence property
Scale is a mode of a 100-tone equal temperament with octave  500.000 cents
  degrees: 29 62 100
Least number of segments generator  : 51 of 255.000 cents and inv.
  number of contiguous generator circle segments: 1
Shortest superset generator         : 81 of 405.000 cents and inv.
  generated superset size: 10 = 7 more = 333.333%
Number of contiguous 1-step segments: 0
Step pattern alph. order: ABC
Step pattern size order : SML
Interval vector is [ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 ]
Scale is sum-free (all different intervals)
Scale is a Constant Structure, by a margin of 120.00000 cents
Scale diversity                     : 1.314530
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.820000
Rothenberg efficiency               : 0.666667   redundancy: 0.333333
Efficiency x scale size             : 2.000000
Number of different interval sizes  : 6 = 3.00000 / 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        : 20.00000 cents
Number of recognisable fifths       : 0
Number of recognisable fourths      : 0
Best fifths form a closed circle
Best major thirds form a closed circle
Best minor thirds form a closed circle
Steps are strictly increasing
Formal octave complements present   : 1 = 33.3333%
2/1 octave complements present      : 0 = 0.0000%
Limited inverse transpositions with margin 25.0000 cents:
 1 2
-- Rational properties --
FIT/MODE
  3:  1 1 1  SP B ME I SD: 18.3838 c. M:-23.3333 c. 
  7:  2 2 3  SP M ME S SD: 14.0758 c. M: 24.2857 c. 
  8:  2 3 3  SP M ME S SD: 11.6369 c. M: 20.0000 c. 
 10:  3 3 4  SP M ME S SD: 6.4550 c. M: 10.0000 c. 
 11:  3 4 4  SP M ME S SD: 6.8685 c. M: 8.6364 c. 
 13:  4 4 5  SP M ME S SD: 5.2783 c. M:-8.8462 c. 
 18:  5 6 7  SP   T3   SD: 4.3627 c. M: 6.1111 c. 
 21:  6 7 8  SP   T3   SD: 1.2674 c. M: 2.1429 c. 
 34:  10 11 13  SP   T3   SD: 1.3690 c. M:-2.0588 c. 
 45:  13 15 17  SP   T3   SD: 0.7172 c. M:-1.1111 c. 
 55:  16 18 21  SP   T3   SD: 0.5868 c. M: 0.9091 c. 
 76:  22 25 29  SP   T3   SD: 0.4805 c. M: 0.7895 c. 
 79:  23 26 30  SP   T3   SD: 0.3369 c. M:-0.5696 c. 
 100: 29 33 38  SP   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 5 x  S SD: 76.3137 cents
 5 x 6:7  S SD: 41.3524 cents
 6 x 7:8  S SD: 21.5867 cents
 7 x 8:9  S SD: 51.0578 cents
 8:9:10:11  H SD: 36.4047 cents
 9:10:11:12  H SD: 17.6453 cents
 10:11:12:13  H SD: 16.7609 cents
 11:12:13:15    SD: 14.2571 cents
 15:16:18:20  S SD: 11.2667 cents
 20:22:24:27  S SD: 9.5117 cents
 21:23:25:28    SD: 5.0154 cents
 35:38:42:47    SD: 4.0304 cents
 36:39:43:48    SD: 2.3771 cents
 45:49:54:60    SD: 2.1484 cents
 57:62:68:76    SD: 1.6502 cents
 81:88:97:108    SD: 1.0742 cents
 92:100:110:123    SD: 0.9636 cents
 102:111:122:136    SD: 0.7994 cents
 137:149:164:183    SD: 0.6327 cents
 173:188:207:231    SD: 0.4461 cents
 194:211:232:259    SD: 0.1989 cents
 275:299:329:367    SD: 0.1875 cents
 367:399:439:490    SD: 0.1670 cents
 469:510:561:626    SD: 0.0573 cents