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June 16th, 2017, 11:31 PM  #1 
Newbie Joined: Jun 2017 From: Iraq Posts: 4 Thanks: 0  How to find order of a recurrence relation? help
Hi, I'm in a hurry, for example : an= an1 + an^22 there order of this function is "2" how is that be? and what is the meaning of order please help me, 
June 17th, 2017, 02:10 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,746 Thanks: 2133 
Did you intend the example to be a$_n$ = a$_{n1}$ + a$_{n2}$²? The order of a recurrence relation is the difference between the greatest and lowest subscripts of the terms of the sequence in the equation. 
June 17th, 2017, 10:09 AM  #3 
Newbie Joined: Jun 2017 From: Iraq Posts: 4 Thanks: 0 
How is that be? I mean how did you calculate it? Please give me a simple example and solve it. Please, I'm in a hurry, I have an exam. Last edited by skipjack; June 17th, 2017 at 11:53 AM. 
June 17th, 2017, 12:03 PM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,746 Thanks: 2133 
There are some examples in this article.


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