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Math Help - Formula help

  1. #1
    Newbie
    Joined
    Jan 2010
    Posts
    9

    Formula help

    Hi, i have very little maths skills and would like to find out what I need to know to understand formulas like these:







    Thank you
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  2. #2
    Member
    Joined
    Sep 2009
    Posts
    177
    Thanks
    1

    Re: Formula help

    For the 2nd, you need vector calculus. For the first, and I'm not sure what your symbols are supposed to represent, you'll need summation notation, and vectors.
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