Keenanismic family

This is a list showing technical temperament data. For an explanation of what information is shown here, you may look at the technical data guide for regular temperaments.

The keenanismic family of rank-4 temperaments tempers out the keenanisma, the 11-limit comma 385/384, [-7 -1 1 1 1⟩ of 4.503 cents.

Keenanismic

Subgroup: 2.3.5.7.11

Comma list: 385/384

Mapping: [⟨1 0 0 0 7], ⟨0 1 0 0 1], ⟨0 0 1 0 -1], ⟨0 0 0 1 -1]]

Mapping generators: ~2, ~3, ~5, ~7

Optimal tunings:

• WE: ~2 = 1200.4104 ¢, ~3/2 = 701.6916 ¢, ~5/4 = 385.1761 ¢, ~7/4 = 967.5421 ¢

error map: ⟨+0.410 +0.147 -0.317 -0.463 -0.703]

• CWE: ~2 = 1200.0000 ¢, ~3/2 = 701.6933 ¢, ~5/4 = 385.1491 ¢, ~7/4 = 967.3004 ¢

error map: ⟨0.000 -0.262 -1.165 -1.525 -2.074]

Minimax tuning:

• 11-odd-limit: ~2 = [1 0 0 0 0⟩, ~3 = [0 1 0 0 0⟩, ~5 = [7/3 1/3 2/3 -1/3 -1/3⟩, ~7 = [7/3 1/3 -1/3 2/3 -1/3⟩

Unchanged-interval (eigenmonzo) basis: 2.3.7/5.11/5

Optimal ET sequence: 9, 10, 12e, 15, 19, 22, 31, 41, 53, 68, 72, 118, 159, 190, 212, 284, 330e, 402de

Badness (Sintel): 0.277

Martwin

Subgroup: 2.3.5.7.11.13

Comma list: 325/324, 385/384

Mapping: [⟨1 0 0 0 7 2], ⟨0 1 0 0 1 4], ⟨0 0 1 0 -1 -2], ⟨0 0 0 1 -1 0]]

Lattice basis:

4/3 length = 1.0820, 6/5 length = 1.3935, 10/9 length = 1.6247

Optimal tunings:

• WE: ~2 = 1200.3494 ¢, ~3/2 = 702.2131 ¢, ~5/4 = 384.8666 ¢, ~7/4 = 967.8487 ¢

error map: ⟨+0.349 +0.608 -0.748 -0.278 -0.422 -0.710]

• CWE: ~2 = 1200.0000 ¢, ~3/2 = 702.1659 ¢, ~5/4 = 384.8721 ¢, ~7/4 = 967.6109 ¢

error map: ⟨0.000 +0.211 -1.442 -1.215 -1.635 -1.608]

Minimax tuning:

• 13- and 15-odd-limit: ~2 = ⟨1 0 0 0 0 0], ~3 = ⟨0 1 0 0 0 0], ~5 = ⟨2/3 4/3 1/3 0 0 -1/3], ~7 = ⟨19/6 -1/6 -1/6 1/2 -1/2 1/6]

unchanged-interval (eigenmonzo) basis: 2.3.11/7.13/5

Optimal ET sequence: 12e, 15, 19, 22f, 26, 31f, 41, 46, 53, 72, 87, 125f, 140, 159, 212, 299, 371df, 465cef, 677cdeeff, 764cdeeff

Badness (Sintel): 0.579

Ancient

Subgroup: 2.3.5.7.11.13

Comma list: 385/384, 625/624

Mapping: [⟨1 0 0 0 7 -4], ⟨0 1 0 0 1 -1], ⟨0 0 1 0 -1 4], ⟨0 0 0 1 -1 0]]

Optimal tunings:

• WE: ~2 = 1200.4130 ¢, ~3/2 = 701.6863 ¢, ~5/4 = 385.2319 ¢, ~7/4 = 967.5188 ¢

error map: ⟨+0.413 +0.144 -0.256 -0.481 -0.730 -0.047]

• CWE: ~2 = 1200.0000 ¢, ~3/2 = 701.6838 ¢, ~5/4 = 385.2497 ¢, ~7/4 = 967.2556 ¢

error map: ⟨0.000 -0.271 -1.064 -1.570 -2.139 -1.213]

Optimal ET sequence: 15, 19, 22, 31, 50, 53, 72, 87, 103, 140, 159, 190, 243e, 315ef, 330e, 402def

Badness (Sintel): 0.675

Zaxa

Subgroup: 2.3.5.7.11.13

Comma list: 352/351, 385/384

Mapping: [⟨1 0 0 0 7 12], ⟨0 1 0 0 1 -2], ⟨0 0 1 0 -1 -1], ⟨0 0 0 1 -1 -1]]

Optimal tunings:

• WE: ~2 = 1200.1117 ¢, ~3/2 = 702.6588 ¢, ~5/4 = 385.6821 ¢, ~7/4 = 968.0061 ¢

error map: ⟨+0.112 +0.815 -0.408 -0.596 -1.901 +1.137]

• CWE: ~2 = 1200.000 ¢, ~3/2 = 702.6029 ¢, ~5/4 = 385.6441 ¢, ~7/4 = 967.9030 ¢

error map: ⟨0.000 +0.648 -0.670 -0.923 -2.262 +0.720]

Optimal ET sequence: 22, 31, 41, 46, 53, 77, 87, 118, 140, 258e, 461e

Badness (Sintel): 0.880