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Author maths problem - Recurrence Relatlation : find the closed form
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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27th May 10 at 12:18   View User's Profile U2U Member Reply With Quote

for this

Xn+1 = (3(2-Xn)^2) / (2(3-2Xn)(5-2Xn))

(n= 0,1,2...)

X0 = 1.4

The recurrance relation converges to a limit in the interval [0,1.5]
liamC
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Registered: 28th Feb 04
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27th May 10 at 12:23   View User's Profile U2U Member Reply With Quote

This guy should be able to tell you all you need to know

http://www.corsasport.co.uk/board/member.php?action=viewpro&member=will_doyle


[Edited on 27-05-2010 by liamC]
lostboy
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27th May 10 at 12:25   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by AK
for this

Xn+1 = (3(2-Xn)^2) / (2(3-2Xn)(5-2Xn))

(n= 0,1,2...)

X0 = 1.4

The recurrance relation converges to a limit in the interval [0,1.5]


Purple?

Edit:
quote:
Originally posted by Google
Did you mean Xn+1 = (3(2-X)^2) / (2(3-2Xn)(5-2Xn)) (n= 0,1,2...) X0 = 1.4 The recurrance relation converges to a limit in the interval [0,1.5]



[Edited on 27-05-2010 by lostboy]
AK
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27th May 10 at 12:31   View User's Profile U2U Member Reply With Quote

lostboy: what?
lostboy
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27th May 10 at 12:35   View User's Profile U2U Member Reply With Quote

I whacked the stuff you posted into google and it corrected it and asked if I meant what I put in my quote. My answer to the question is, purple?
AK
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27th May 10 at 12:44   View User's Profile U2U Member Reply With Quote



eh!

You arent making any sense
lostboy
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27th May 10 at 12:56   View User's Profile U2U Member Reply With Quote

http://www.google.co.uk/#hl=en&source=hp&q=Xn%2B1+%3D+%283%282-Xn%29^2%29+%2F+%282%283-2Xn%29%285-2Xn%29%29++%28n%3D+0%2C1%2C2...%29++X0+%3D+1.4++The+recurrance+relation+converges+to+a+limit+in+the+interval+[0%2C1.5]&btnG=Google+Search&aq=f&aqi=&aql=&oq=&gs_rfai=&fp=1&cad=b
lostboy
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27th May 10 at 12:56   View User's Profile U2U Member Reply With Quote

Balls, it wont go clicky. Copy and paste it you bitch x
AK
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27th May 10 at 13:08   View User's Profile U2U Member Reply With Quote

the anser isnt purple.... are you taking the piss
ed
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27th May 10 at 13:08   View User's Profile U2U Member Reply With Quote

I think he's trying to be funny.
Cosmo
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27th May 10 at 13:09   View User's Profile U2U Member Reply With Quote

Is it orange then?
lostboy
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27th May 10 at 13:20   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by AK
the anser isnt purple.... are you taking the piss


Yes

 
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