Newton-Raphson


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Thread: Newton-Raphson

  1. #1
    Join Date
    Mar 2009
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    1

    Newton-Raphson

    May I know how to apply Newton-Raphson Method in Excel to get the value of αi and βj???

    Log L(α,β) = ∑∑(-αiβj + Xij log(αiβj) - log(Xij!))

    ∂log L / ∂αi = ∑(-βj + Xij / αi)

    αi = ∑Xij / ∑βj
    ∑αi = ∑βj

    Link to refer the picture question
    Last edited by ryusukekenji; 03-23-2009 at 04:26 PM. Reason: add hyperlink

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