Difference between revisions of "Integral sign"
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{{Stilllife | {{Stilllife | ||
|name | |name = Integral sign | ||
|pname | |pname = integralsign | ||
|c | |c = 9 | ||
|bx | |bx = 5 | ||
|by | |by = 5 | ||
|rulemin | |fc = 13.4 | ||
|rulemax | |rulemin = B/S23 | ||
|rulespecial | |rulemax = B3678/S012345678 | ||
| | |rulespecial = [[Conway's Game of Life|Conway Life]], [[HighLife]] | ||
| | |isorulemin = B/S2-cn3n | ||
| | |isorulemax = B2-ae34-n5-q678/S012345678 | ||
| | |synthesis = 4 | ||
|plaintext | |synthesisRLE = true | ||
|rle | |plaintext = true | ||
|apgcode | |rle = true | ||
|apgcode = xs9_31ego | |||
|niemiecid = 9.4 | |||
|pentadecathlonid = 9.5 | |||
}} | }} | ||
'''Integral sign''' (or simply '''integral''') is a 9-bit [[still life]]. It can eat [[glider]]s the same way that an [[Eater 1]] eats, from either end. If the middle cell of the vertical line is removed, it becomes a [[bipole]]. | '''Integral sign''' (or simply '''integral''') is a 9-bit [[still life]]. It can eat [[glider]]s the same way that an [[Eater 1]] eats, from either end. If the middle cell of the vertical line is removed, it becomes a [[bipole]]. | ||
Revision as of 15:06, 27 January 2019
| Integral sign | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 9 | ||||||||
| Bounding box | 5 × 5 | ||||||||
| Frequency class | 13.4 | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | Unknown | ||||||||
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Integral sign (or simply integral) is a 9-bit still life. It can eat gliders the same way that an Eater 1 eats, from either end. If the middle cell of the vertical line is removed, it becomes a bipole.
It can also be seen as a trans version of the house.
Commonness
Integral sign is the nineteenth most common still life in Achim Flammenkamp's census, being less common than shillelagh but more common than boat-tie.[1] It is also the twenty-fifth most common object on Adam P. Goucher's Catagolue.[2]
See also
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.
External links
- Integral sign at the Life Lexicon
- The 10 nine-bit still-lifes at Mark D. Niemiec's Life Page