Quintosec family: Difference between revisions

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m Units & misc. cleanup
Switch to Sintel's badness, WE & CWE tunings
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{{Mapping|legend=1| 5 1 22 | 0 2 -3 }}
{{Mapping|legend=1| 5 1 22 | 0 2 -3 }}
: Mapping generators: ~524288/455625, ~16384/10125
: mapping generators: ~524288/455625, ~16384/10125


[[Optimal tuning]]s:
[[Optimal tuning]]s:
* [[CTE]]: ~524288/455625 = 240.0000{{c}}, ~16384/10125 = 831.1061{{c}} (~16/15 = 111.1061{{c}})
* [[WE]]: ~524288/455625 = 239.9786{{c}}, ~16384/10125 = 831.0310{{c}} (~16/15 = 111.0952{{c}})
* [[POTE]]: ~524288/455625 = 240.0000{{c}}, ~16384/10125 = 831.1051{{c}} (~16/15 = 111.1051{{c}})
: [[error map]]: {{val| -0.107 +0.086 +0.123 }}
* [[CWE]]: ~524288/455625 = 240.0000{{c}}, ~16384/10125 = 831.1054{{c}} (~16/15 = 111.1054{{c}})
: error map: {{val| 0.000 +0.256 +0.370 }}


{{Optimal ET sequence|legend=1| 10, 45c, 55, 65, 140, 205, 270, 1955c, 2225c, 2495bc, 2765bc, 3035bc, 3305bcc, 3575bcc }}
{{Optimal ET sequence|legend=1| 10, 45c, 55, 65, 140, 205, 270, 1955c, 2225c, 2495bc, 2765bc, 3035bc, 3305bcc, 3575bcc }}


[[Badness]] (Smith): 0.139191
[[Badness]] (Sintel): 3.27


=== 2.3.5.11 subgroup ===
=== 2.3.5.11 subgroup ===
Line 28: Line 30:


Optimal tunings:  
Optimal tunings:  
* CTE: ~1024/891 = 240.0000{{c}}, ~160/99 = 831.0932{{c}} (~16/15 = 111.0932{{c}})
* WE: ~1024/891 = 239.9820{{c}}, ~160/99 = 831.0062{{c}} (~16/15 = 111.0603{{c}})
* CWE: ~1024/891 = 240.0000{{c}}, ~160/99 = 831.0743{{c}} (~16/15 = 111.0743{{c}})
* CWE: ~1024/891 = 240.0000{{c}}, ~160/99 = 831.0743{{c}} (~16/15 = 111.0743{{c}})


{{Optimal ET sequence|legend=0| 10e, 55e, 65, 205, 270, 335, 605, 940, 1545c }}
{{Optimal ET sequence|legend=0| 10e, 55e, 65, 205, 270, 335, 605, 940, 1545c }}


Badness (Smith): 0.0195
Badness (Sintel): 0.608


== Qintosec ==
== Qintosec ==
Line 45: Line 47:


[[Optimal tuning]]s:  
[[Optimal tuning]]s:  
* [[CTE]]: ~400/343 = 240.0000{{c}}, ~80/49 = 831.7095{{c}} (~15/14 = 111.7095{{c}})
* [[WE]]: ~400/343 = 239.8397{{c}}, ~80/49 = 830.9971{{c}} (~16/15 = 111.7095{{c}})
* [[POTE]]: ~400/343 = 240.0000{{c}}, ~80/49 = 831.5525{{c}} (~15/14 = 111.5525{{c}})
: [[error map]]: {{val| -0.802 -0.121 -2.832 +5.813 }}
* [[CWE]]: ~400/343 = 240.0000{{c}}, ~80/49 = 831.5851{{c}} (~16/15 = 111.5851{{c}})
: error map: {{val| 0.000 +1.215 -1.069 +8.004 }}


{{Optimal ET sequence|legend=1| 10, …, 55d, 65d, 75, 140d }}
{{Optimal ET sequence|legend=1| 10, …, 55d, 65d, 75, 140d }}


[[Badness]] (Smith): 0.156764
[[Badness]] (Sintel): 3.97


=== 11-limit ===
=== 11-limit ===
Line 60: Line 64:


Optimal tunings:  
Optimal tunings:  
* CTE: ~55/48 = 240.0000{{c}}, ~80/49 = 831.1939{{c}} (~15/14 = 111.1939{{c}})
* WE: ~55/48 = 239.8038{{c}}, ~80/49 = 830.6313{{c}} (~15/14 = 111.2200{{c}})
* POTE: ~55/48 = 240.0000{{c}}, ~80/49 = 831.3110{{c}} (~15/14 = 111.3110{{c}})
* CWE: ~55/48 = 240.0000{{c}}, ~80/49 = 831.2911{{c}} (~15/14 = 111.2911{{c}})


{{Optimal ET sequence|legend=0| 10, 55d, 65d, 140de }}
{{Optimal ET sequence|legend=0| 10, 55d, 65d, 140de }}


Badness (Smith): 0.077907
Badness (Sintel): 2.58


=== Qinto ===
=== Qinto ===
Line 75: Line 79:


Optimal tunings:  
Optimal tunings:  
* CTE: ~220/189 = 240.0000{{c}}, ~44/27 = 832.4051{{c}} (~15/14 = 112.4051{{c}})
* WE: ~220/189 = 239.9453{{c}}, ~44/27 = 832.2583{{c}} (~15/14 = 112.4224{{c}})
* POTE: ~220/189 = 240.0000{{c}}, ~44/27 = 832.4480{{c}} (~15/14 = 112.4480{{c}})
* CWE: ~220/189 = 240.0000{{c}}, ~44/27 = 832.4403{{c}} (~15/14 = 112.4403{{c}})


{{Optimal ET sequence|legend=0| 10, 75 }}
{{Optimal ET sequence|legend=0| 10, 75 }}


Badness (Smith): 0.127732
Badness (Sintel): 4.22


== Sengasec ==
== Sengasec ==
Line 92: Line 96:


[[Optimal tuning]]:  
[[Optimal tuning]]:  
* [[CTE]]: ~8/7 = 240.0000{{c}}, ~45/28 = 831.1061{{c}} (~16/15 = 111.1061{{c}})
* [[WE]]: ~8/7 = 240.1396{{c}}, ~45/28 = 831.5960{{c}} (~16/15 = 111.1772{{c}})
* [[POTE]]: ~8/7 = 240.0000{{c}}, ~45/28 = 831.1126{{c}} (~16/15 = 111.1126{{c}})
: [[error map]]: {{val| +0.698 +1.377 +1.969 -6.872 }}
* [[CWE]]: ~8/7 = 240.0000{{c}}, ~45/28 = 831.1113{{c}} (~16/15 = 111.1113{{c}})
: error map: {{val| 0.000 +0.268 +0.352 -8.826 }}


{{Optimal ET sequence|legend=1| 10, …, 55, 65, 140dd }}
{{Optimal ET sequence|legend=1| 10, …, 55, 65, 140dd }}


[[Badness]] (Smith): 0.156259
[[Badness]] (Sintel): 3.95


=== 11-limit ===
=== 11-limit ===
Line 107: Line 113:


Optimal tunings:  
Optimal tunings:  
* CTE: ~8/7 = 240.0000{{c}}, ~45/28 = 830.7772{{c}} (~16/15 = 110.7772{{c}})
* WE: ~8/7 = 240.0876{{c}}, ~45/28 = 830.9623{{c}} (~16/15 = 110.7772{{c}})
* POTE: ~8/7 = 240.0000{{c}}, ~45/28 = 830.6592{{c}} (~16/15 = 110.6592{{c}})
* CWE: ~8/7 = 240.0000{{c}}, ~45/28 = 830.6798{{c}} (~16/15 = 110.6798{{c}})


{{Optimal ET sequence|legend=0| 10, 55, 65 }}
{{Optimal ET sequence|legend=0| 10, 55, 65 }}


Badness (Smith): 0.081607
Badness (Sintel): 2.70


=== 13-limit ===
=== 13-limit ===
Line 122: Line 128:


Optimal tunings:  
Optimal tunings:  
* CTE: ~8/7 = 240.0000{{c}}, ~45/28 = 830.8942{{c}} (~16/15 = 110.8942{{c}})
* WE: ~8/7 = 239.9825{{c}}, ~45/28 = 830.8492{{c}} (~16/15 = 110.9018{{c}})
* POTE: ~8/7 = 240.0000{{c}}, ~45/28 = 830.9099{{c}} (~16/15 = 110.9099{{c}})
* CWE: ~8/7 = 240.0000{{c}}, ~45/28 = 830.9071{{c}} (~16/15 = 110.9071{{c}})


{{Optimal ET sequence|legend=0| 10, 55, 65 }}
{{Optimal ET sequence|legend=0| 10, 55, 65 }}


Badness (Smith): 0.056390
Badness (Sintel): 2.33


== Decoid ==
== Decoid ==
{{See also| Breedsmic temperaments #Decoid }}
Decoid tempers out 2401/2400, the [[breedsma]], and 67108864/66976875, the [[decovulture comma]], as well as {{monzo| 11 -10 -10 10 }}, the [[linus comma]]. Either ~[[8/7]] or ~[[16/15]] can be used as its generator. It may be described as the 130 & 270 temperament, and as one might expect, 181\940 or 233\1210 makes for an excellent tuning choice.  
 
Decoid tempers out 2401/2400 and 67108864/66976875, as well as the [[linus comma]], {{monzo| 11 -10 -10 10 }}. Either 8/7 or 16/15 can be used as its generator. It may be described as the 130 & 270 temperament, and as one might expect, 181\940 or 233\1210 makes for an excellent tuning choice.  


[[Subgroup]]: 2.3.5.7
[[Subgroup]]: 2.3.5.7
Line 139: Line 143:


{{Mapping|legend=1| 10 0 47 36 | 0 2 -3 -1 }}
{{Mapping|legend=1| 10 0 47 36 | 0 2 -3 -1 }}
: Mapping generators: ~15/14, ~8192/4725
: mapping generators: ~15/14, ~8192/4725


[[Optimal tuning]]s:  
[[Optimal tuning]]s:  
* [[CTE]]: ~15/14 = 120.0000{{c}}, ~8192/4725 = 951.1086{{c}} (~16/15 = 111.1086{{c}}, or ~225/224 = 8.8914{{c}})
* [[WE]]: ~15/14 = 119.9913{{c}}, ~8192/4725 = 951.0298{{c}} (~225/224 = 8.9006{{c}})
* [[POTE]]: ~15/14 = 120.0000{{c}}, ~8192/4725 = 951.0987{{c}} (~16/15 = 111.0987{{c}}, or ~225/224 = 8.9013{{c}})
: [[error map]]: {{val| -0.087 +0.105 +0.188 -0.169 }}
* [[CWE]]: ~15/14 = 120.0000{{c}}, ~8192/4725 = 951.1007{{c}} (~225/224 = 8.8993{{c}})
: error map: {{val| 0.000 +0.246 +0.384 +0.073 }}


{{Optimal ET sequence|legend=1| 10, …, 130, 270, 2020c, 2290c, 2560c, 2830bc, 3100bcc, 3370bcc, 3640bcc }}
{{Optimal ET sequence|legend=1| 130, 270, 2020c, 2290c, 2560c, 2830bc, 3100bcc, 3370bcc, 3640bcc }}


[[Badness]] (Smith): 0.033902
[[Badness]] (Sintel): 0.858


=== 11-limit ===
=== 11-limit ===
Line 157: Line 163:


Optimal tunings:  
Optimal tunings:  
* CTE: ~15/14 = 120.0000{{c}}, ~400/231 = 951.0943{{c}} (~16/15 = 111.0943{{c}}, or ~225/224 = 8.9057{{c}})
* WE: ~15/14 = 120.9921{{c}}, ~400/231 = 951.0074{{c}} (~225/224 = 8.9294{{c}})
* POTE: ~15/14 = 120.0000{{c}}, ~400/231 = 951.0700{{c}} (~16/15 = 111.0700{{c}}, or ~225/224 = 8.9300{{c}})
* CWE: ~15/14 = 120.0000{{c}}, ~400/231 = 951.0747{{c}} (~225/224 = 8.9253{{c}})


{{Optimal ET sequence|legend=0| 10e, …, 130, 270, 670, 940, 1210, 2150c }}
{{Optimal ET sequence|legend=0| 130, 270, 670, 940, 1210, 2150c }}


Badness (Smith): 0.018735
Badness (Sintel): 0.619


==== 13-limit ====
==== 13-limit ====
Line 172: Line 178:


Optimal tunings:  
Optimal tunings:  
* CTE: ~15/14 = 120.0000{{c}}, ~26/15 = 951.0943{{c}} (~16/15 = 111.0943{{c}}, or ~196/195 = 8.9057{{c}})
* WE: ~15/14 = 119.9964{{c}}, ~26/15 = 951.0546{{c}} (~196/195 = 8.9165{{c}})
* POTE: ~15/14 = 120.0000{{c}}, ~26/15 = 951.0832{{c}} (~16/15 = 111.0832{{c}}, or ~196/195 = 8.9168{{c}})
* CWE: ~15/14 = 120.0000{{c}}, ~26/15 = 951.0850{{c}} (~196/195 = 8.9150{{c}})


{{Optimal ET sequence|legend=0| 10e, …, 130, 270, 940, 1210f, 1480cf }}
{{Optimal ET sequence|legend=0| 130, 270, 940, 1210f, 1480cf }}


Badness (Smith): 0.013475
Badness (Sintel): 0.557


=== Triacontoid ===
=== Triacontoid ===
Line 185: Line 191:


Mapping: {{mapping| 30 0 141 108 80 | 0 2 -3 -1 1 }}
Mapping: {{mapping| 30 0 141 108 80 | 0 2 -3 -1 1 }}
: Mapping generators: ~45/44, ~8192/4725
: mapping generators: ~45/44, ~8192/4725


Optimal tunings:  
Optimal tunings:  
* CTE: ~45/44 = 40.0000{{c}}, ~8192/4725 = 951.1137{{c}} (~225/224 = 8.8863{{c}})
* WE: ~45/44 = 39.9981{{c}}, ~8192/4725 = 951.0672{{c}} (~225/224 = 8.8875{{c}})
* POTE: ~45/44 = 40.0000{{c}}, ~8192/4725 = 951.1121{{c}} (~225/224 = 8.8879{{c}})
* CWE: ~45/44 = 40.0000{{c}}, ~8192/4725 = 951.1124{{c}} (~225/224 = 8.8876{{c}})


{{Optimal ET sequence|legend=0| 120, 150, 270 }}
{{Optimal ET sequence|legend=0| 120, 150, 270 }}


Badness (Smith): 0.075991
Badness (Sintel): 2.51


==== 13-limit ====
==== 13-limit ====
Line 203: Line 209:


Optimal tunings:  
Optimal tunings:  
* CTE: ~45/44 = 40.0000{{c}}, ~26/15 = 951.1137{{c}} (~196/195 = 8.8863{{c}})
* WE: ~45/44 = 39.9992{{c}}, ~26/15 = 951.0944{{c}} (~196/195 = 8.8868{{c}})
* POTE: ~45/44 = 40.0000{{c}}, ~26/15 = 951.1130{{c}} (~196/195 = 8.8870{{c}})
* CWE: ~45/44 = 40.0000{{c}}, ~26/15 = 951.1131{{c}} (~196/195 = 8.8869{{c}})


{{Optimal ET sequence|legend=0| 120, 150, 270 }}
{{Optimal ET sequence|legend=0| 120, 150, 270 }}


Badness (Smith): 0.040873
Badness (Sintel): 1.69


== References ==
== References ==

Revision as of 07:38, 4 September 2026

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 quintosec family of temperaments tempers out the quintosec comma (monzo[47 -15 -10, ratio: 140 737 488 355 328 / 140 126 044 921 875).

Quintosec

Quintosec is naturally a 2.3.5.11-subgroup temperament. It was documented as qintosec on the Temperament Finder, which was probably due to a typo[1]. The original, intended spelling is restored here, and the distinctive no-u form is relegated to the lower-accuracy 7-limit extension considered below.

Subgroup: 2.3.5

Comma list: [47 -15 -10

Mapping[5 1 22], 0 2 -3]]

mapping generators: ~524288/455625, ~16384/10125

Optimal tunings:

  • WE: ~524288/455625 = 239.9786 ¢, ~16384/10125 = 831.0310 ¢ (~16/15 = 111.0952 ¢)
error map: -0.107 +0.086 +0.123]
  • CWE: ~524288/455625 = 240.0000 ¢, ~16384/10125 = 831.1054 ¢ (~16/15 = 111.1054 ¢)
error map: 0.000 +0.256 +0.370]

Optimal ET sequence10, 45c, 55, 65, 140, 205, 270, 1955c, 2225c, 2495bc, 2765bc, 3035bc, 3305bcc, 3575bcc

Badness (Sintel): 3.27

2.3.5.11 subgroup

Subgroup: 2.3.5.11

Comma list: 5632/5625, 26214400/26198073

Mapping: [5 1 22 45], 0 2 -3 -8]]

Optimal tunings:

  • WE: ~1024/891 = 239.9820 ¢, ~160/99 = 831.0062 ¢ (~16/15 = 111.0603 ¢)
  • CWE: ~1024/891 = 240.0000 ¢, ~160/99 = 831.0743 ¢ (~16/15 = 111.0743 ¢)

Optimal ET sequence: 10e, 55e, 65, 205, 270, 335, 605, 940, 1545c

Badness (Sintel): 0.608

Qintosec

Qintosec can be described as the 10 & 65d temperament, tempering out the marvel comma, 225/224 in the 7-limit.

Subgroup: 2.3.5.7

Comma list: 225/224, 2560000/2470629

Mapping[5 1 22 21], 0 2 -3 -2]]

Optimal tunings:

  • WE: ~400/343 = 239.8397 ¢, ~80/49 = 830.9971 ¢ (~16/15 = 111.7095 ¢)
error map: -0.802 -0.121 -2.832 +5.813]
  • CWE: ~400/343 = 240.0000 ¢, ~80/49 = 831.5851 ¢ (~16/15 = 111.5851 ¢)
error map: 0.000 +1.215 -1.069 +8.004]

Optimal ET sequence10, …, 55d, 65d, 75, 140d

Badness (Sintel): 3.97

11-limit

Subgroup: 2.3.5.7.11

Comma list: 225/224, 243/242, 3840/3773

Mapping: [5 1 22 21 0], 0 2 -3 -2 5]]

Optimal tunings:

  • WE: ~55/48 = 239.8038 ¢, ~80/49 = 830.6313 ¢ (~15/14 = 111.2200 ¢)
  • CWE: ~55/48 = 240.0000 ¢, ~80/49 = 831.2911 ¢ (~15/14 = 111.2911 ¢)

Optimal ET sequence: 10, 55d, 65d, 140de

Badness (Sintel): 2.58

Qinto

Subgroup: 2.3.5.7.11

Comma list: 225/224, 385/384, 332750/321489

Mapping: [5 1 22 21 -7], 0 2 -3 -2 7]]

Optimal tunings:

  • WE: ~220/189 = 239.9453 ¢, ~44/27 = 832.2583 ¢ (~15/14 = 112.4224 ¢)
  • CWE: ~220/189 = 240.0000 ¢, ~44/27 = 832.4403 ¢ (~15/14 = 112.4403 ¢)

Optimal ET sequence: 10, 75

Badness (Sintel): 4.22

Sengasec

Sengasec can be described as the 10 & 55 temperament, tempering out the cloudy comma, 16807/16384 and the sengic comma, 686/675 in the 7-limit.

Subgroup: 2.3.5.7

Comma list: 686/675, 16807/16384

Mapping[5 1 22 14], 0 2 -3 0]]

Optimal tuning:

  • WE: ~8/7 = 240.1396 ¢, ~45/28 = 831.5960 ¢ (~16/15 = 111.1772 ¢)
error map: +0.698 +1.377 +1.969 -6.872]
  • CWE: ~8/7 = 240.0000 ¢, ~45/28 = 831.1113 ¢ (~16/15 = 111.1113 ¢)
error map: 0.000 +0.268 +0.352 -8.826]

Optimal ET sequence10, …, 55, 65, 140dd

Badness (Sintel): 3.95

11-limit

Subgroup: 2.3.5.7.11

Comma list: 243/242, 385/384, 686/675

Mapping: [5 1 22 14 0], 0 2 -3 0 5]]

Optimal tunings:

  • WE: ~8/7 = 240.0876 ¢, ~45/28 = 830.9623 ¢ (~16/15 = 110.7772 ¢)
  • CWE: ~8/7 = 240.0000 ¢, ~45/28 = 830.6798 ¢ (~16/15 = 110.6798 ¢)

Optimal ET sequence: 10, 55, 65

Badness (Sintel): 2.70

13-limit

Subgroup: 2.3.5.7.11.13

Comma list: 105/104, 144/143, 243/242, 686/675

Mapping: [5 1 22 14 0 22], 0 2 -3 0 5 -1]]

Optimal tunings:

  • WE: ~8/7 = 239.9825 ¢, ~45/28 = 830.8492 ¢ (~16/15 = 110.9018 ¢)
  • CWE: ~8/7 = 240.0000 ¢, ~45/28 = 830.9071 ¢ (~16/15 = 110.9071 ¢)

Optimal ET sequence: 10, 55, 65

Badness (Sintel): 2.33

Decoid

Decoid tempers out 2401/2400, the breedsma, and 67108864/66976875, the decovulture comma, as well as [11 -10 -10 10, the linus comma. Either ~8/7 or ~16/15 can be used as its generator. It may be described as the 130 & 270 temperament, and as one might expect, 181\940 or 233\1210 makes for an excellent tuning choice.

Subgroup: 2.3.5.7

Comma list: 2401/2400, 67108864/66976875

Mapping[10 0 47 36], 0 2 -3 -1]]

mapping generators: ~15/14, ~8192/4725

Optimal tunings:

  • WE: ~15/14 = 119.9913 ¢, ~8192/4725 = 951.0298 ¢ (~225/224 = 8.9006 ¢)
error map: -0.087 +0.105 +0.188 -0.169]
  • CWE: ~15/14 = 120.0000 ¢, ~8192/4725 = 951.1007 ¢ (~225/224 = 8.8993 ¢)
error map: 0.000 +0.246 +0.384 +0.073]

Optimal ET sequence130, 270, 2020c, 2290c, 2560c, 2830bc, 3100bcc, 3370bcc, 3640bcc

Badness (Sintel): 0.858

11-limit

Subgroup: 2.3.5.7.11

Comma list: 2401/2400, 5632/5625, 9801/9800

Mapping: [10 0 47 36 98], 0 2 -3 -1 -8]]

Optimal tunings:

  • WE: ~15/14 = 120.9921 ¢, ~400/231 = 951.0074 ¢ (~225/224 = 8.9294 ¢)
  • CWE: ~15/14 = 120.0000 ¢, ~400/231 = 951.0747 ¢ (~225/224 = 8.9253 ¢)

Optimal ET sequence: 130, 270, 670, 940, 1210, 2150c

Badness (Sintel): 0.619

13-limit

Subgroup: 2.3.5.7.11.13

Comma list: 676/675, 1001/1000, 1716/1715, 4096/4095

Mapping: [10 0 47 36 98 37], 0 2 -3 -1 -8 0]]

Optimal tunings:

  • WE: ~15/14 = 119.9964 ¢, ~26/15 = 951.0546 ¢ (~196/195 = 8.9165 ¢)
  • CWE: ~15/14 = 120.0000 ¢, ~26/15 = 951.0850 ¢ (~196/195 = 8.9150 ¢)

Optimal ET sequence: 130, 270, 940, 1210f, 1480cf

Badness (Sintel): 0.557

Triacontoid

Subgroup: 2.3.5.7.11

Comma list: 2401/2400, 42592/42525, 1771561/1769472

Mapping: [30 0 141 108 80], 0 2 -3 -1 1]]

mapping generators: ~45/44, ~8192/4725

Optimal tunings:

  • WE: ~45/44 = 39.9981 ¢, ~8192/4725 = 951.0672 ¢ (~225/224 = 8.8875 ¢)
  • CWE: ~45/44 = 40.0000 ¢, ~8192/4725 = 951.1124 ¢ (~225/224 = 8.8876 ¢)

Optimal ET sequence: 120, 150, 270

Badness (Sintel): 2.51

13-limit

Subgroup: 2.3.5.7.11.13

Comma list: 676/675, 2401/2400, 4096/4095, 6656/6655

Mapping: [30 0 141 108 80 111], 0 2 -3 -1 1 0]]

Optimal tunings:

  • WE: ~45/44 = 39.9992 ¢, ~26/15 = 951.0944 ¢ (~196/195 = 8.8868 ¢)
  • CWE: ~45/44 = 40.0000 ¢, ~26/15 = 951.1131 ¢ (~196/195 = 8.8869 ¢)

Optimal ET sequence: 120, 150, 270

Badness (Sintel): 1.69

References