Dictionary » P » Perturbation

Perturbation

perturbation

1. The act of perturbing, or the state of being perturbed; especially, agitation of mind.

2. (Science: astronomy) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other.

Origin: L. Perturbatio: cf. F. Perturbation.


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Is complexity inevitable?

@wildfunguy Even in deterministic chaotic systems, the smallest perturbation can lead to drastically different situations, so the inevitability of a particular outcome has little to do with determinism. The real question is, is the universe structured in ...

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by cakrit
Sat Oct 19, 2013 1:50 pm
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4652

Is complexity inevitable?

... A stable environment throughout its life produces more and more of these interactive complexities, often in long chains. If there is a perturbation to the environment, then some chains may be lost, but I would put my money on a complex environment surviving better than a simple one, ...

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by animartco
Sat Aug 24, 2013 11:50 am
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4652

Re:

... as a drawback before, but it does seem like the more complex an organism is, the more delicate it becomes, in a way: specialized and sensitive to perturbation. I've read quite a few arguments in the same line of reasoning and I couldn't disagree more. The classic example is that of 'catastrophic ...

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by cakrit
Mon Aug 19, 2013 10:03 pm
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4652

Is complexity inevitable?

... as a drawback before, but it does seem like the more complex an organism is, the more delicate it becomes, in a way: specialized and sensitive to perturbation. I can't shake the notion that intelligence is almost universally advantageous. Granted, it doesn't ensure survival, but it's one of those ...

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by Luxorien
Mon Aug 12, 2013 7:10 pm
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4652

bacteria and stress

... because of accumulation of byproducts during growth? I am not particular about the type of stress, but I would like to know if outer membrane perturbation occurs owing to the above mentioned "stress".

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by Helix
Fri Sep 07, 2007 1:59 pm
 
Forum: Microbiology
Topic: bacterial stress
Replies: 5
Views: 2189
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