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Math Help - Taylor Expansion (multivariate)

  1. #1
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    Taylor Expansion (multivariate)

    Hi, I need some help understanding the taylor expansion of a function g_0(\phi,c,T). I'm particularly confused with the 3rd term on the RHS. Why is there a partial derivative there? When I expand it, I get the same as whats in the image but no multiplication with partial derivatives.
    Thanks


    Taylor Expansion (multivariate)-taylor.jpg
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  2. #2
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    The notation you're using here is terrible. Where did you get this expression? Use f(x,y,z) for the function of 3 variables. The third term of the series comes from the Hessian matrix. Do you what that is?
    Last edited by ojones; April 10th 2011 at 09:00 PM.
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  3. #3
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    Re: Taylor Expansion (multivariate)

    Thanks for replying ojones. Turns out the partial derivative multiplying the 3rd term and other terms were a typo. That's odd since this typo was present in multiple papers.
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