Difference between revisions of "Tripole"
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{{Oscillator|name=Tripole|pname=tripole| | {{Oscillator | ||
The '''tripole''' is the [[barberpole]] of length 3. | |name = Tripole | ||
|pname = tripole | |||
|family = Barberpole | |||
|f1 = Muttering moat | |||
|c = 9 | |||
|bx = 6 | |||
|by = 6 | |||
|fc = 26.6 | |||
|p = 2 | |||
|m = 1 | |||
|h = 6 | |||
|v = 0.50 | |||
|rotor = Pole 3 | |||
|discoverer = MIT group | |||
|discoveryear = 1970 | |||
|rulemin = B3/S23 | |||
|rulemax = B35678/S2345678 | |||
|rulespecial = [[Conway's Game of Life|Conway Life]], [[HighLife]] | |||
|isorulemin = B3c/S2ae3n | |||
|isorulemax = B2ckn34-r5678/S1e2345678 | |||
|synthesis = 5 | |||
|synthesisRLE = true | |||
|plaintext = true | |||
|rle = true | |||
|animated = true | |||
|viewerconfig = #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]] | |||
|pentadecathlonid = 9P2.1 | |||
|apgcode = xp2_g0k053z11 | |||
}} | |||
The '''tripole''' is the [[barberpole]] of length 3. | |||
==[[List of common oscillators|Commonness]]== | |||
The tripole is about the fourteenth most [[common]] naturally-occurring oscillator in [[Achim Flammenkamp's census]], being less common than [[quadpole on ship]] but more common than [[mazing]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref> | |||
==Glider synthesis== | |||
Martin Grant improved the previous 7-glider synthesis to 6 gliders on June 23, 2017.<ref name="post45062" /> [[goldenratio]] found a {{gliders|5}} [[synthesis]] in September {{year|2020}}.<ref name="post104637" /> | |||
==See also== | ==See also== | ||
*[[Bipole]] | *[[Bipole]] | ||
*[[Quadpole]] | *[[Quadpole]] | ||
*[[Pentapole]] | *[[Pentapole]] | ||
*[[Hexapole]] | |||
*[[Heptapole]] | |||
==References== | ==References== | ||
<references /> | <references> | ||
<ref name="post45062">{{cite web | |||
|url = http://www.conwaylife.com/forums/viewtopic.php?p=45062#p45062 | |||
|title = Re: Synthesising Oscillators | |||
|author = Extremeenthusiast | |||
|work = ConwayLife.com forums | |||
|date = June 23, 2017 | |||
|accessdate = June 24, 2017 | |||
}}</ref> | |||
<ref name="post104637">{{LinkForumThread | |||
|format = ref | |||
|title = Re: Randomly enumerating glider syntheses | |||
|p = 104637 | |||
|author = Ian07 | |||
|date = September 21, 2020 | |||
}}</ref> | |||
</references> | |||
==External links== | ==External links== | ||
{{LinkWeisstein|filename=Tripole.html}} | {{LinkWeisstein|filename=Tripole.html}} | ||
{{LinkLexicon|filename=lex_t.htm#tripole}} | {{LinkLexicon|filename=lex_t.htm#tripole}} | ||
{{LinkCatagolue|xp2_g0k053z11}} | |||
{{LinkPentadecathlonObject|9P2.1}} | |||
{{Symmetry|diagonal2|osc=flip}} | {{Symmetry|diagonal2|osc=flip}} | ||
__NOTOC__ |
Revision as of 04:48, 16 November 2020
Tripole | |||||||||
View animated image | |||||||||
View static image | |||||||||
Pattern type | Oscillator | ||||||||
---|---|---|---|---|---|---|---|---|---|
Oscillator type | Muttering moat | ||||||||
Family | Barberpole | ||||||||
Number of cells | 9 | ||||||||
Bounding box | 6 × 6 | ||||||||
Frequency class | 26.6 | ||||||||
Period | 2 | ||||||||
Mod | 1 | ||||||||
Heat | 6 | ||||||||
Volatility | 0.50 | ||||||||
Strict volatility | 0.50 | ||||||||
Rotor type | Pole 3 | ||||||||
Discovered by | MIT group | ||||||||
Year of discovery | 1970 | ||||||||
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The tripole is the barberpole of length 3.
Commonness
The tripole is about the fourteenth most common naturally-occurring oscillator in Achim Flammenkamp's census, being less common than quadpole on ship but more common than mazing.[1]
Glider synthesis
Martin Grant improved the previous 7-glider synthesis to 6 gliders on June 23, 2017.[2] goldenratio found a 5-glider synthesis in September 2020.[3]
See also
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Extremeenthusiast (June 23, 2017). "Re: Synthesising Oscillators". ConwayLife.com forums. Retrieved on June 24, 2017.
- ↑ Ian07 (September 21, 2020). Re: Randomly enumerating glider syntheses (discussion thread) at the ConwayLife.com forums
External links
- Tripole at the Life Lexicon
- 9P2.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 26
- Natural periodic objects
- Oscillators with 9 cells
- Periodic objects with minimum population 9
- Patterns with 9 cells
- Patterns found by MIT group
- Patterns found in 1970
- Patterns that can be constructed with 5 gliders
- Oscillators
- Barberpole variants
- Muttering moats
- Oscillators with period 2
- Oscillators with mod 1
- Oscillators with heat 6
- Oscillators with volatility 0.50
- Oscillators with strict volatility 0.50
- Oscillators with rotor Pole 3
- Patterns with bilateral diagonal symmetry
- Flipping oscillators