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Aproximación de sucesiones definidas por recurrencia

Authors: Durán, Ana Lía;

Aproximación de sucesiones definidas por recurrencia

Abstract

It is established that recurrent sequences, xn+1 = f(xn),which converge to a fixed point L where the derivative α = f '(L) satisfies 0 < |α| < 1 and where the rest r(x) = f(x) - L - α(x-L) satisfies r(x) = O(|x - L|1+ s), for some s > 0, can be approximated as xn ~ L + cαn for a certain constant c. It is shown that such approximation might fail if only the condition 0 < |α| < 1 is assumed.

Se establece que sucesiones recurrentes, xn+1 = f(xn), que convergen a un punto fijo L donde la derivada α = f '(L) cumple 0 < |α| < 1 y donde el resto r(x) = f(x) - L - α(x-L) satisface r(x) = O(|x - L|1+ s), para algún s > 0, pueden ser aproximadas como xn ~ L + cαn para alguna constante c. Se demuestra que tal aproximación puede no valer si solo se asume que 0 < |α| < 1.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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