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Thread: using spherical polar coordinates

  1. #1
    Member Jason Bourne's Avatar
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    using spherical polar coordinates

    If $\displaystyle \underline{A} = f(r)\underline{r}$ , use spherical polar coordinates to find $\displaystyle f(r)$ if

    (i) $\displaystyle \underline{\nabla} \cdot \underline{A} = 0 $ and

    (ii) $\displaystyle \underline{\nabla} \times \underline{A} = 0 $

    Not sure how to do the above I think I manged to find

    $\displaystyle f(r) = \frac{C}{r^3}$ , but I don't know what to do next...
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  2. #2
    Super Member Rebesques's Avatar
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    The second condition is superfluous.
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  3. #3
    Member Jason Bourne's Avatar
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    Quote Originally Posted by Rebesques View Post
    The second condition is superfluous.
    yeah thanks I see now
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