Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.
|
|
Math Forum
»
Discussions
»
sci.math.*
»
sci.math
Notice: We are no longer accepting new posts, but the forums will continue to be readable.
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)) )
|
|
|
|