My Math Forum Help on Recursive Functions?

 Algebra Pre-Algebra and Basic Algebra Math Forum

 March 12th, 2013, 11:55 AM #1 Newbie   Joined: Feb 2012 Posts: 19 Thanks: 0 Help on Recursive Functions? Dear all, I'd like to solve a function $w_{t}^{x}$, which is given by the recursive formula as below. $w_{t}^{x}= P_{t}^{x} * w_{t+1}^{x+1} + (1 - P_{t}^{x})*w_{t+1}^{x}$, where $P_{t}^{x}= \frac{E[\theta^{x+1}*(1-\theta)^{t-x}]}{E[\theta^{x}*(1-\theta)^{t-x}]}$, $lim_{t\rightarrow\infty, x\rightarrow 0}w_{t}^{x}=0$. Here $E$ stands for expectation. Anyone suggestions on how to approach this problem? Thanks.

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