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Math Help - vector fields

  1. #1
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    vector fields

    given a vector field V(x,y,z) = (xi + yj + zk)/r^3 where r = (x^2+y^2+z^2)^(1/2) is the distance from the point P from the origin.
    What are the x y and z components of V?
    and the partial derivatives of each component?
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  2. #2
    Senior Member
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    The x component is the coefficient of the vector i, the y component is the coefficient of the vector j, and the z component is the coefficient of the vector k (at least in standard usage).
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  3. #3
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    thanks.. such an easy solution!
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