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Quadratic sawtooth is a sawtooth with a quadratic envelope. | {{Sawtooth | ||
It consists of two caber- | |name = Quadratic sawtooth | ||
The | |pname = quadraticsawtooth | ||
All the rakes and gliders are destroyed before the next cycle. | |c = 3164 | ||
[ | |bx = 785 | ||
|by = 785 | |||
|discoverer = Martin Grant | |||
|discoverer2 = Alexey Nigin | |||
|discoveryear = 2015 | |||
|rulemin = B3/S23 | |||
|rulemax = B3/S23 | |||
|rulespecial = [[Conway's Game of Life|Conway Life]] | |||
|isorulemin = B3/S23 | |||
|isorulemax = B3/S23 | |||
|rle = true | |||
}} | |||
'''Quadratic sawtooth''' is a [[sawtooth]] with a quadratic envelope, assembled by [[Martin Grant]] on May 7, {{year|2015}}, from a design by [[Alexey Nigin]] based on a concept from [[Aidan F. Pierce]] and input from several other contributors.<ref name="post19443" /> | |||
It consists of two [[caber tosser]]s with [[CC semi-Snark]]s ([[period multiplier]]s) for timing, which activate and deactivate two toggle [[rake]] [[gun]]s. | |||
The [[glider]]s emitted by those rakes annihilate on the diagonal while the rakes are eaten by a pair of [[2c/5 orthogonal]] spaceship. All the rakes and gliders are destroyed before the next cycle. | |||
==See also== | |||
* [[Parabolic sawtooth]] | |||
==References== | |||
<references> | |||
<ref name="post19443">{{LinkForumThread | |||
|format = ref | |||
|title = Re: Quadratic Sawtooth? | |||
|p = 19443 | |||
|author = Martin Grant | |||
|date = May 7, 2015 | |||
}}</ref> | |||
</references> | |||
==External links== | |||
{{LinkLexicon|lex_q.htm#quadraticsawtooth}} | |||
{{Symmetry|diagonal2}} |
Revision as of 23:04, 26 November 2020
Quadratic sawtooth | |||||||||
View static image | |||||||||
Pattern type | Sawtooth | ||||||||
---|---|---|---|---|---|---|---|---|---|
Number of cells | 3164 | ||||||||
Bounding box | 785 × 785 | ||||||||
Expansion factor | Unknown | ||||||||
Discovered by | Martin Grant Alexey Nigin | ||||||||
Year of discovery | 2015 | ||||||||
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Quadratic sawtooth is a sawtooth with a quadratic envelope, assembled by Martin Grant on May 7, 2015, from a design by Alexey Nigin based on a concept from Aidan F. Pierce and input from several other contributors.[1]
It consists of two caber tossers with CC semi-Snarks (period multipliers) for timing, which activate and deactivate two toggle rake guns.
The gliders emitted by those rakes annihilate on the diagonal while the rakes are eaten by a pair of 2c/5 orthogonal spaceship. All the rakes and gliders are destroyed before the next cycle.
See also
References
- ↑ Martin Grant (May 7, 2015). Re: Quadratic Sawtooth? (discussion thread) at the ConwayLife.com forums
External links
- Quadratic sawtooth at the Life Lexicon
Categories:
- Patterns
- Sawtooths with between 1,000 and 9,999 cells
- Patterns with between 1,000 and 9,999 cells
- Patterns found by Martin Grant
- Patterns found by Alexey Nigin
- Patterns found in 2015
- Outer-totalistically endemic patterns
- Isotropically endemic patterns
- Sawtooths
- Infinite growth
- Patterns with bilateral diagonal symmetry