Scala analysis: xen10-wilson-purvi-11c-07

Purvi modulation 7 from Figure 11c, Archytas (28/27 5/4 36/35), (36/35 5/4 28/27)

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:          5/4             386.313714 major third
  2:          9/7             435.084095 septimal major third, BP third
  3:          4/3             498.044999 perfect fourth
  4:          5/3             884.358713 major sixth, BP sixth
  5:         12/7             933.129094 septimal major sixth
  6:         27/14           1137.039096 septimal major seventh
  7:          2/1            1200.000000 octave
SHOW/INTERVAL
  0:         28/27             62.9609 Archytas' 1/3-tone
  1:          5/4             386.3137 major third
  2:         36/35             48.7704 septimal diesis, 1/4-tone
  3:         28/27             62.9609 Archytas' 1/3-tone
  4:          5/4             386.3137 major third
  5:         36/35             48.7704 septimal diesis, 1/4-tone
  6:          9/8             203.9100 major whole tone
  7:         28/27             62.9609 Archytas' 1/3-tone
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   2 36/35               48.770 cents   septimal diesis, 1/4-tone
  1:   2 28/27               62.961 cents   Archytas' 1/3-tone
  1:   1 9/8                 203.910 cents  major whole tone
  1:   2 5/4                 386.314 cents  major third
  2:   1 16/15               111.731 cents  minor diatonic semitone
  2:   1 81/70               252.680 cents  Al-Hwarizmi's lute middle finger
  2:   1 7/6                 266.871 cents  septimal minor third
  2:   2 9/7                 435.084 cents  septimal major third, BP third
  2:   2 35/27               449.275 cents  septimal semi-diminished fourth, 9/4-tone
  3:   1 6/5                 315.641 cents  minor third
  3:   4 4/3                 498.045 cents  perfect fourth
  3:   1 81/56               638.994 cents  
  3:   1 35/24               653.185 cents  septimal semi-diminished fifth
  4:   1 48/35               546.815 cents  septimal semi-augmented fourth
  4:   1 112/81              561.006 cents  
  4:   4 3/2                 701.955 cents  perfect fifth
  4:   1 5/3                 884.359 cents  major sixth, BP sixth
  5:   2 54/35               750.725 cents  septimal semi-augmented fifth
  5:   2 14/9                764.916 cents  septimal minor sixth
  5:   1 12/7                933.129 cents  septimal major sixth
  5:   1 140/81              947.320 cents  
  5:   1 15/8                1088.269 cents classic major seventh
  6:   2 8/5                 813.686 cents  minor sixth
  6:   1 16/9                996.090 cents  Pythagorean minor seventh
  6:   2 27/14               1137.039 cents septimal major seventh
  6:   2 35/18               1151.230 cents septimal semi-diminished octave
Highest number of different intervals for one interval class: 5
Average number of different intervals per interval class: 4.33333 = 13/3
SHOW/LINE/CENTS INTERVALS
         1     2     3     4     5      6      7     
 0.0   : 386.3 435.1 498.0 884.4 933.1  1137.0 1200.0
 386.3 : 48.8  111.7 498.0 546.8 750.7  813.7  1200.0
 435.1 : 63.0  449.3 498.0 702.0 764.9  1151.2 1200.0
 498.0 : 386.3 435.1 639.0 702.0 1088.3 1137.0 1200.0
 884.4 : 48.8  252.7 315.6 702.0 750.7  813.7  1200.0
 933.1 : 203.9 266.9 653.2 702.0 764.9  1151.2 1200.0
 1137.0: 63.0  449.3 498.0 561.0 947.3  996.1  1200.0
 1200.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  48.7704   .. 386.3137 cents      175/144, 337.5433 cents            36/35, 48.7704 cents
  2:  111.7313  .. 449.2746 cents      175/144, 337.5433 cents            64/75,-274.5824 cents
  3:  315.6413  .. 653.1846 cents      175/144, 337.5433 cents            162/175,-133.6333 cents
  4:  546.8154  .. 884.3587 cents      175/144, 337.5433 cents            1152/1225,-106.3692 cents
  5:  750.7254  .. 1088.2687 cents     175/144, 337.5433 cents            162/175,-133.6333 cents
  6:  813.6863  .. 1151.2296 cents     175/144, 337.5433 cents            64/75,-274.5824 cents
SHOW DATA
Number of notes                     : 7
-- Interval properties --
Smallest interval                   : 36/35, 48.7704 cents, class 1
Average step (divided formal octave): 171.4286 cents
Largest one step interval           : 5/4, 386.3137 cents
Average / Smallest step             : 3.515014
Largest / Average step              : 2.253497
Largest / Smallest step             : 7.921072
Median interval of one step         : 28/27, 62.9609 cents, amount: 2
Least squares average step          : 186.97094 cents, oct.:  1308.79659 cents
Scale is not proper
Step pattern alph. order: ABCABDC
Step pattern size order : DABDACB
Scale is a Constant Structure, by a margin of 48.77038 cents
Scale diversity                     : 1.569058
Lumma stability                     : 0.081284
Lumma impropriety factor            : 0.651213
Rothenberg efficiency               : 0.421769   redundancy: 0.578231
Efficiency x scale size             : 2.952381
Number of different interval sizes  : 26 = 4.33333 / class
Number of one step interval sizes   : 4
Highest interval variety            : 5
Mean interval variety               : 4.33333 = 13/3
Median interval variety             : 4
Lowest interval variety             : 4
Smallest interval difference        : 245/243, 14.1905 cents
Most common intervals               : 4/3, 498.0450 cents & inv., amount: 4
Most common triad is 0.0 701.955 1151.230 cents, amount: 2
Number of recognisable fifths       : 4, average 701.9550 cents
Scale is Lydian octave species of abstract tetrachord
All steps are superparticular (epimoric)
Length of longest harmonic part     : 1 at degree 0
Length of longest subharmonic part  : 1 at degree 0
Formal octave complements present   : 1 = 14.2857%
Scale is differentially coherent in interval class 1
Scale is n-1 differentially coherent in interval classes 2 and 3 combined
Scale is differentially coherent in interval classes 3 and 4 combined
Limited inverse transpositions with margin 337.5433 cents:
 4
-- Rational properties --
Prime limit                         : 7
Odd number limit                    : 81 (O: 81 U: 81)
Highest odd numerator or denominator: 27
Scale harmonicity                   : 0.031896
Average absolute harmonicity        : 0.232340
Specific harmonicity                : 0.160099
Fundamental                         : 1/84, -6.3923 octaves, 3.1146 Hz.
Guide tone                          : 540,  9.0768 octaves, 141277.805 Hz.
Exponens Consonantiae               : 4.536000E+04, 15.46913 octaves
Euler's gradus suavitatis           : 23
Sum of Mann's harmonic distance     : 51.5, average 7.35714
Mersenne's string divisions         : 785232
Sum of van Prooijen's expressibility: 5.10577, average 0.72940
Sum of Tenney's harmonic distance   : 10.15844, average 1.45121
Vogel's harmonic complexity         : 12.42857
Wille's k value                     : 52
Wilson's harmonic complexity        : 24
Rectangular lattice diameter        : 6
Triangular lattice diameter         : 4
Lattice compactness                 : 77.99071, average 2.78538
Lattice compactness (without 2's)   : 54.89613, average 1.96058
Number of different primes          : 4
Prime exponents' range, average, count, tones@limit:
  2:  -2 .. 2         0.28571   8     1
  3:  -1 .. 3         0.57143   8     1
  5:   0 .. 1         0.28571   2     2
  7:  -1 .. 0        -0.42857   3     3
Average exponent except 2's         : 3 / 7 = 0.42857
Average absolute exponent except 2's: 13 / 7 = 1.85714
Scale is weakly epimorphic with val: <7 10 15 21|
Scale is JI-epimorphic with val: <7 11 15 20|
Scale is weakly epimorphic with val: <7 12 17 18|
Scale is weakly epimorphic with val: <7 12 18 21|
FIT/MODE
  7:  2 0 1 2 0 1 1   N   T3   SD: 64.2961 c. M: 108.4677 c. 
  8:  3 0 0 3 0 2 0   N   T3 S SD: 41.2189 c. M:-63.6863 c. 
  9:  3 0 1 3 0 2 0   N        SD: 35.9088 c. M:-62.9609 c. 
 11:  3 1 0 4 0 2 1   N        SD: 43.4309 c. M: 61.6814 c. 
 12:  4 0 1 4 0 2 1   N        SD: 24.3079 c. M: 37.0391 c. 
 14:  5 0 1 4 1 2 1   N        SD: 22.1841 c. M:-42.2577 c. 
 15:  5 0 1 5 1 2 1   N        SD: 19.9112 c. M: 35.0841 c. 
 16:  5 1 1 5 0 3 1   N        SD: 19.1393 c. M: 33.1291 c. 
 17:  5 1 1 5 1 3 1   N   T3 S SD: 20.5350 c. M: 37.2999 c. 
 18:  6 0 1 6 1 3 1   N        SD: 19.7469 c. M: 35.0841 c. 
 19:  6 1 1 6 1 3 1   N   T3 S SD: 7.1562 c. M:-14.2393 c. 
 22:  7 1 1 7 1 4 1   N   T3 S SD: 6.6887 c. M: 11.6314 c. 
 41:  13 2 2 13 2 7 2   N   T3 S SD: 4.1582 c. M: 6.3099 c. 
 53:  17 2 3 17 2 9 3   N        SD: 3.2882 c. M: 4.9636 c. 
 72:  23 3 4 23 3 12 4   N        SD: 2.0906 c. M: 3.7058 c. 
 77:  25 3 4 25 3 13 4   N        SD: 2.1613 c. M:-3.9530 c. 
 80:  26 3 4 26 3 14 4   N        SD: 2.4447 c. M:-3.6863 c. 
 94:  30 4 5 30 4 16 5   N        SD: 1.9556 c. M: 3.5076 c. 
 99:  32 4 5 32 4 17 5   N        SD: 1.2575 c. M:-2.3548 c. 
 118: 38 5 6 38 5 20 6   N        SD: 1.4610 c. M:-2.4641 c. 
 130: 42 5 7 42 5 22 7   N        SD: 1.2095 c. M:-1.7951 c. 
 149: 48 6 8 48 6 25 8   N        SD: 1.0359 c. M:-1.5473 c. 
 152: 49 6 8 49 6 26 8   N        SD: 0.7525 c. M: 1.5501 c. 
 171: 55 7 9 55 7 29 9   N        SD: 0.1943 c. M: 0.3488 c. 
 441: 142 18 23 142 18 75 23   N        SD: 0.2004 c. M:-0.3759 c. 
 494: 159 20 26 159 20 84 26   N        SD: 0.1910 c. M: 0.3356 c. 
 593: 191 24 31 191 24 101 31   N        SD: 0.1728 c. M: 0.2455 c. 
 612: 197 25 32 197 25 104 32   N        SD: 0.1394 c. M:-0.2158 c. 
 665: 214 27 35 214 27 113 35   N        SD: 0.1513 c. M: 0.1970 c. 
 742: 239 30 39 239 30 126 39   N        SD: 0.1416 c. M:-0.2774 c. 
 764: 246 31 40 246 31 130 40   N        SD: 0.0985 c. M: 0.1448 c. 
 935: 301 38 49 301 38 159 49   N        SD: 0.0590 c. M: 0.0810 c. 
 1106: 356 45 58 356 45 188 58   N        SD: 0.0464 c. M: 0.0911 c. 
 1848: 595 75 97 595 75 314 97   N        SD: 0.0316 c. M:-0.0569 c. 
 2019: 650 82 106 650 82 343 106   N        SD: 0.0249 c. M: 0.0406 c. 
FIT/HARMONIC
 1 x x x x x x 2  S SD: 0.0000 cents
 2 x x x 3 x x 4  S SD: 91.2019 cents
 3 x x 4:5 x x 6  S SD: 0.0000 cents
 4:5 x x x 7 x 8    SD: 11.8989 cents
 5:6 x 7:8:9 x 10  S SD: 31.1503 cents
 6 x x 8:10 x x 12  S SD: 0.0000 cents
 7 x 9 x x 12 x 14    SD: 0.0000 cents
 8:10 x 11:13:14:15:16    SD: 15.2861 cents
 9:11 x 12:15 x 17:18    SD: 10.6004 cents
 10 x 13 x x 17:19:20    SD: 8.8159 cents
 11 x 14:15:18:19:21:22    SD: 9.5907 cents
 12:15 x 16:20:21:23:24    SD: 6.2119 cents
 13:16:17 x x 22:25:26    SD: 9.1759 cents
 14 x 18:19:23:24:27:28    SD: 6.5817 cents
 15:19 x 20:25:26:29:30    SD: 5.0277 cents
 16:20 x 21:27 x 31:32    SD: 7.1268 cents
 17:21:22:23:28:29:33:34    SD: 6.0695 cents
 18 x 23:24:30:31:35:36    SD: 3.2499 cents
 19:24 x 25:32:33:37:38    SD: 7.4110 cents
 20:25:26:27:33:34:39:40    SD: 5.9024 cents
 21:26:27:28:35:36:41:42    SD: 3.8484 cents
 22 x 28:29:37:38:42:44    SD: 6.2926 cents
 24:30:31:32:40:41:46:48    SD: 2.0953 cents
 26 x 33:35:43:45:50:52    SD: 5.8951 cents
 27:34:35:36:45:46:52:54    SD: 3.1467 cents
 28:35:36:37:47:48:54:56    SD: 2.8317 cents
 36:45:46:48:60:62:69:72    SD: 2.4485 cents
 39:49:50:52:65:67:75:78    SD: 1.6955 cents
 45:56:58:60:75:77:87:90    SD: 1.4723 cents
 56:70:72:75:93:96:108:112    SD: 1.4130 cents
 60:75:77:80:100:103:116:120    SD: 0.8366 cents
 81:101:104:108:135:139:156:162    SD: 0.8179 cents
 84:105:108:112:140:144:162:168  S SD: 0.0000 cents