Sentences with phrase «initial perturbation»
The phrase "initial perturbation" refers to a small change or disturbance that occurs at the beginning of a process. It is the starting point or the first alteration from the normal state of something. Full definition
The essence of chaos is that any small initial perturbation grows exponentially over a term controlled by the size of the «Liapunov exponent.»
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The answer to this contemporary version of the problem of «Buridan's Ass» turns out to be that the detailed nature of the initial perturbation makes all the difference.
There may be local hot spots and such but it is hard to imagine how without invoking massive chemical reactions and changes that I don't think are happening how we could be getting 2 or 3 or 4 feedbacks from the initial perturbation.
A negative feedback is one in which the initial perturbation is weakened by the changes it causes; a positive feedback is one in which the initial perturbation is enhanced.