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Math Help - Economy of scale curve

  1. #1
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    Economy of scale curve

    OK, I'm not a mathatician. I did take calculas at Pitt over 30 years ago, but nothing stuck so please go easy on me. I'm not even sure this is the right place to post this, but I read the Stickeys and, well here I am. As a construction estimator, I am always estimating the costs of similar tasks and things that cost less as the amount of work gets larger. For years I have been using a curve to help me ball park projects in the early stages of development.

    I would like to know what the name of this curve is and the formula(s) needed to plot the curve based on 3 known points along the path. I had a porfessor help me with this years ago, but he passed away and I lost the formulas. Can any one help? I am going to try and attach a pitcure of the curve.

    Thanks a bunch! George

    Picasa Web Albums - gweissgerber - Curve_files#
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  2. #2
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    Quote Originally Posted by gweissgerber View Post
    OK, I'm not a mathatician. I did take calculas at Pitt over 30 years ago, but nothing stuck so please go easy on me. I'm not even sure this is the right place to post this, but I read the Stickeys and, well here I am. As a construction estimator, I am always estimating the costs of similar tasks and things that cost less as the amount of work gets larger. For years I have been using a curve to help me ball park projects in the early stages of development.

    I would like to know what the name of this curve is and the formula(s) needed to plot the curve based on 3 known points along the path. I had a porfessor help me with this years ago, but he passed away and I lost the formulas. Can any one help? I am going to try and attach a pitcure of the curve.

    Thanks a bunch! George

    Picasa Web Albums - gweissgerber - Curve_files#
    The curve can probably be generate with an exponential function, log/ln function, or rational function limiting the domain.
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