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Math Help - Approximate cost calculation

  1. #1
    Newbie
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    Approximate cost calculation

    Hello!
    I have the following formula -
    a*k1 + b*k2 + c*k3 = P
    This is a formula i'm trying to build. It will be used to calculate price of a specific good (P) according to criterions k1,k2,k3. Every k have its own value, thats why its being multiplied by coefficients a,b and c.
    I have a history of many previous purchases where k1,k2,k3 and P are known and i need to approximately calculate a,b and c according to this.

    Hope i explained this well.
    Can someone help me with this?
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by sergey View Post
    Hello!
    I have the following formula -
    a*k1 + b*k2 + c*k3 = P
    This is a formula i'm trying to build. It will be used to calculate price of a specific good (P) according to criterions k1,k2,k3. Every k have its own value, thats why its being multiplied by coefficients a,b and c.
    I have a history of many previous purchases where k1,k2,k3 and P are known and i need to approximately calculate a,b and c according to this.

    Hope i explained this well.
    Can someone help me with this?
    Look at the Excel solver, it will allow you to fit a model to data.

    RonL
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