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Topic:
Analysys with f(f(a_n))
Replies:
4
Last Post:
Jun 6, 2013 5:33 AM




Re: Analysys with f(f(a_n))
Posted:
Jun 5, 2013 12:03 PM


2013? 6? 5? ??? ?? 11? 52? 36? UTC+9, Peter Percival ?? ?: > mina_world@hanmail.net wrote: > > > Hello teacher~ > > > > > > a_1 = 1 > > > > > > a_(n+1) = f(f(a_n)) (n >= 1) > > > > > > Find the lim{n>oo} a_n > > > > Doesn't it depend on f? >
Oh, very sorry...
It's my mistake.
Disregard my problem.
In fact, original problem is f(x) = x+2 (x<=0) (1/2)x (x>0) a_1 = 1 a_(n+1) = f(f(a_n)) (n >= 1) Find the lim{n>oo} a_n
I can find it loosely.( with X = f(f(X)) )



