Scala analysis: xen18-secor-13-limit-2-just

13-limit just scale, enharmonic alteration

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:         13/12            138.572661 tridecimal 2/3-tone
  2:          7/6             266.870906 septimal minor third
  3:          4/3             498.044999 perfect fourth
  4:          3/2             701.955001 perfect fifth
  5:         13/8             840.527662 tridecimal neutral sixth
  6:          7/4             968.825906 harmonic seventh
  7:          2/1            1200.000000 octave
SHOW/INTERVAL
  0:          8/7             231.1741 septimal whole tone
  1:         13/12            138.5727 tridecimal 2/3-tone
  2:         14/13            128.2982 2/3-tone
  3:          8/7             231.1741 septimal whole tone
  4:          9/8             203.9100 major whole tone
  5:         13/12            138.5727 tridecimal 2/3-tone
  6:         14/13            128.2982 2/3-tone
  7:          8/7             231.1741 septimal whole tone
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   2 14/13               128.298 cents  2/3-tone
  1:   2 13/12               138.573 cents  tridecimal 2/3-tone
  1:   1 9/8                 203.910 cents  major whole tone
  1:   2 8/7                 231.174 cents  septimal whole tone
  2:   2 7/6                 266.871 cents  septimal minor third
  2:   1 39/32               342.483 cents  39th harmonic, Zalzal wosta of Ibn Sina
  2:   2 16/13               359.472 cents  tridecimal neutral third
  2:   1 26/21               369.747 cents  
  2:   1 9/7                 435.084 cents  septimal major third, BP third
  3:   1 21/16               470.781 cents  narrow fourth
  3:   4 4/3                 498.045 cents  perfect fourth
  3:   1 18/13               563.382 cents  tridecimal augmented fourth
  3:   1 39/28               573.657 cents  
  4:   1 56/39               626.343 cents  
  4:   1 13/9                636.618 cents  tridecimal diminished fifth
  4:   4 3/2                 701.955 cents  perfect fifth
  4:   1 32/21               729.219 cents  wide fifth
  5:   1 14/9                764.916 cents  septimal minor sixth
  5:   1 21/13               830.253 cents  
  5:   2 13/8                840.528 cents  tridecimal neutral sixth
  5:   1 64/39               857.517 cents  39th subharmonic
  5:   2 12/7                933.129 cents  septimal major sixth
  6:   2 7/4                 968.826 cents  harmonic seventh
  6:   1 16/9                996.090 cents  Pythagorean minor seventh
  6:   2 24/13               1061.427 cents tridecimal neutral seventh
  6:   2 13/7                1071.702 cents 16/3-tone
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   : 138.6 266.9 498.0 702.0 840.5 968.8  1200.0
 138.6 : 128.3 359.5 563.4 702.0 830.3 1061.4 1200.0
 266.9 : 231.2 435.1 573.7 702.0 933.1 1071.7 1200.0
 498.0 : 203.9 342.5 470.8 702.0 840.5 968.8  1200.0
 702.0 : 138.6 266.9 498.0 636.6 764.9 996.1  1200.0
 840.5 : 128.3 359.5 498.0 626.3 857.5 1061.4 1200.0
 968.8 : 231.2 369.7 498.0 729.2 933.1 1071.7 1200.0
 1200.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  128.2982  .. 231.1741 cents      52/49, 102.8758 cents              14/13, 128.2982 cents
  2:  266.8709  .. 435.0841 cents      54/49, 168.2132 cents              49/48, 35.6968 cents
  3:  470.7809  .. 573.6568 cents      52/49, 102.8758 cents              49/48, 35.6968 cents
  4:  626.3432  .. 729.2191 cents      52/49, 102.8758 cents              1568/1521, 52.6865 cents
  5:  764.9159  .. 933.1291 cents      54/49, 168.2132 cents              49/48, 35.6968 cents
  6:  968.8259  .. 1071.7018 cents     52/49, 102.8758 cents              49/48, 35.6968 cents
SHOW DATA
Number of notes                     : 7
-- Interval properties --
Smallest interval                   : 14/13, 128.2982 cents, class 1
Average step (divided formal octave): 171.4286 cents
Largest one step interval           : 8/7, 231.1741 cents
Average / Smallest step             : 1.336172
Largest / Average step              : 1.348516
Largest / Smallest step             : 1.801849
Median interval of one step         : 13/12, 138.5727 cents, amount: 2
Least squares average step          : 167.07045 cents, oct.:  1169.49316 cents
Scale is strictly proper
Step pattern alph. order: ABCDABC
Step pattern size order : BADCBAD
Scale is a Constant Structure, by a margin of 35.69681 cents
Scale diversity                     : 1.472506
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.376725
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        : 169/168, 10.2744 cents
Most common intervals               : 4/3, 498.0450 cents & inv., amount: 4
Number of recognisable fifths       : 4, average 701.9550 cents
Scale is Dorian octave species of abstract tetrachord
Scale contains two identical disjunct tetrachords
Scale contains a complete diamond   : 1 3
All steps are superparticular (epimoric)
Length of longest harmonic part     : 2 at degree 0
Length of longest subharmonic part  : 1 at degree 0
Formal octave complements present   : 3 = 42.8571%
Scale is differentially coherent in interval class 1
Scale is n-1 differentially coherent in interval class 2
Scale is differentially coherent in interval classes 3 and 4 combined
Scale is n-1 differentially coherent in interval classes 5 and 6 combined
Limited inverse transpositions with margin 168.2132 cents:
 6
-- Rational properties --
Prime limit                         : 13
Odd number limit                    : 39 (O: 39 U: 39)
Highest odd numerator or denominator: 13
Scale harmonicity                   : 0.023379
Average absolute harmonicity        : 0.245303
Specific harmonicity                : 0.126998
Fundamental                         : 1/24, -4.5850 octaves, 10.9011 Hz.
Guide tone                          : 1092,  10.0928 octaves, 285695.117 Hz.
Exponens Consonantiae               : 2.620800E+04, 14.67772 octaves
Euler's gradus suavitatis           : 28
Sum of Mann's harmonic distance     : 42.5, average 6.07143
Mersenne's string divisions         : 75075
Sum of van Prooijen's expressibility: 4.87233, average 0.69605
Sum of Tenney's harmonic distance   : 9.43893, average 1.34842
Vogel's harmonic complexity         : 10.00000
Wille's k value                     : 19
Wilson's harmonic complexity        : 26
Rectangular lattice diameter        : 4
Triangular lattice diameter         : 2
Lattice compactness                 : 70.79910, average 2.52854
Lattice compactness (without 2's)   : 36.07837, average 1.28851
Number of different primes          : 4
Prime exponents' range, average, count, tones@limit:
  2:  -3 .. 2        -0.85714   12    1
  3:  -1 .. 1        -0.28571   4     2
  7:   0 .. 1         0.28571   2     2
 13:   0 .. 1         0.28571   2     2
Average exponent except 2's         : 2 / 7 = 0.28571
Average absolute exponent except 2's: 8 / 7 = 1.14286
Scale is weakly epimorphic with val: <7 11 19 27|
Scale is JI-epimorphic with val: <7 11 20 26| = patent
Scale is weakly epimorphic with val: <7 12 18 29|
Scale is weakly epimorphic with val: <7 12 22 25|
FIT/MODE
  7:  1 1 1 1 1 1 1  SP B ME I SD: 40.0474 c. M:-75.9862 c.  Lebeng
  9:  1 1 2 1 1 1 2   P M ME S SD: 27.8266 c. M: 40.5277 c.  Pseudo Pelog, Pelogic-7, Antiionian
 10:  1 1 2 2 1 1 2   P   D3 S SD: 16.0197 c. M: 26.8709 c. 
 17:  2 2 3 3 2 2 3  SP   D3 S SD: 9.9764 c. M:-19.4094 c. 
 24:  3 2 5 4 3 2 5   P        SD: 11.1291 c. M: 18.8259 c. 
 26:  3 3 5 4 3 3 5  SP        SD: 7.3930 c. M:-10.0522 c. 
 27:  3 3 5 5 3 3 5  SP   D3 S SD: 6.4436 c. M: 9.1561 c. 
 36:  4 4 7 6 4 4 7  SP        SD: 3.6166 c. M: 7.1943 c. 
 53:  6 6 10 9 6 6 10  SP        SD: 2.9561 c. M:-4.8272 c. 
 63:  7 7 12 11 7 7 12  SP        SD: 2.8269 c. M: 5.2393 c. 
 67:  8 7 13 11 8 7 13  SP        SD: 2.7648 c. M:-4.7109 c. 
 77:  9 8 15 13 9 8 15  SP        SD: 1.4754 c. M: 2.5921 c. 
 94:  11 10 18 16 11 10 18  SP        SD: 1.2532 c. M:-2.0255 c. 
 104: 12 11 20 18 12 11 20  SP        SD: 1.3473 c. M:-1.8912 c. 
 130: 15 14 25 22 15 14 25  SP        SD: 0.4593 c. M:-0.8214 c. 
 207: 24 22 40 35 24 22 40  SP        SD: 0.4426 c. M: 0.7100 c. 
 234: 27 25 45 40 27 25 45  SP        SD: 0.4154 c. M:-0.6091 c. 
 270: 31 29 52 46 31 29 52  SP        SD: 0.3962 c. M: 0.7949 c. 
 337: 39 36 65 57 39 36 65  SP        SD: 0.3113 c. M:-0.4713 c. 
 347: 40 37 67 59 40 37 67  SP        SD: 0.3215 c. M: 0.5885 c. 
 364: 42 39 70 62 42 39 70  SP        SD: 0.2197 c. M:-0.4049 c. 
 441: 51 47 85 75 51 47 85  SP        SD: 0.1669 c. M:-0.2887 c. 
 477: 55 51 92 81 55 51 92  SP        SD: 0.1870 c. M: 0.2761 c. 
 571: 66 61 110 97 66 61 110  SP        SD: 0.0658 c. M:-0.1314 c. 
 1048: 121 112 202 178 121 112 202  SP        SD: 0.0665 c. M: 0.1236 c. 
 1178: 136 126 227 200 136 126 227  SP        SD: 0.0713 c. M: 0.1202 c. 
 1272: 147 136 245 216 147 136 245  SP        SD: 0.0718 c. M:-0.1102 c. 
 1282: 148 137 247 218 148 137 247  SP        SD: 0.0587 c. M: 0.1002 c. 
 1412: 163 151 272 240 163 151 272  SP        SD: 0.0250 c. M: 0.0457 c. 
 1983: 229 212 382 337 229 212 382  SP        SD: 0.0099 c. M:-0.0170 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: 0.0000 cents
 3 x x 4 x 5 x 6  S SD: 14.6104 cents
 4 x x 5:6 x 7:8  S SD: 27.9328 cents
 5 x 6:7 x 8:9:10  S SD: 22.4609 cents
 6 x 7:8:9:10:11:12  S SD: 15.2820 cents
 7 x 8:9 x 11:12:14    SD: 19.8804 cents
 8 x 9:11:12:13:14:16    SD: 13.7458 cents
 10:11:12:13:15:16:18:20    SD: 12.8550 cents
 11:12:13:15:17:18:19:22    SD: 10.5821 cents
 12:13:14:16:18:20:21:24  S SD: 6.2616 cents
 22:24:26:29:33:36:39:44    SD: 5.8565 cents
 23:25:27:31:35:37:40:46    SD: 5.6066 cents
 24:26:28:32:36:39:42:48  S SD: 0.0000 cents