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Thread: Solve a complex equation into differentiable form

  1. #1
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    Solve a complex equation into differentiable form

    Hi all,


    I want to bring the below equation into differentiable form when $k = n-1$ so that I can differential it w.r.t $p$ to get the optimal value of $Ps$.


    $P_s = p(1-p) \sum^{k-1}_{i=0} {{n-2} \choose {i}} p^i (1-p)^{n-2-i} $

    Any help would be highly appreciated.

    Thanks
    Shan
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  2. #2
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    Re: Solve a complex equation into differentiable form

    when k=n-1

    \sum^{n-2}_{i=0} {{n-2} \choose {i}} p^i (1-p)^{n-2-i} = 1
    Thanks from sjaffry
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