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Exotic fixpoint formulas

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Exotic fixpoint formulas
tommy1729 Offline
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#3
06/20/2023, 10:10 PM (This post was last modified: 06/20/2023, 10:13 PM by tommy1729.)
Reminder :

Quadratic approximation for attracting function with fixpoint at 0 :


f(x) = a x + k x^2 + ...

f^[t](x) = a^t x + k a^(t-1) ( a^t - 1 )/(a-1) x^2.


Also here were some ideas :


https://tetrationforum.org/showthread.php?tid=951


regards

tommy1729
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Messages In This Thread
Exotic fixpoint formulas - by tommy1729 - 06/20/2023, 08:39 PM
RE: Exotic fixpoint formulas - by tommy1729 - 06/20/2023, 09:55 PM
RE: Exotic fixpoint formulas - by tommy1729 - 06/20/2023, 10:10 PM

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