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Helmholtz theorem derivation question

  1. Dec 15, 2014 #1
    how do we go from


    also on the next step
    ∇' just means the gradient with respect to r', right?
    Also, why do i have to use the dirac delta function? i thought it was only used to deal with discontinuities?

    also when we say
    the volume integral of a vector field just means we do the triple integral on each component of the vector field independently right?
    Last edited: Dec 15, 2014
  2. jcsd
  3. Dec 15, 2014 #2


    Staff: Mentor

    Last edited: Dec 15, 2014
  4. Dec 15, 2014 #3
    del is an operator though? if i applied that to this case then id get stuff like gif.gif or gif.gif

    i dont know why theyd explain each step then leave one completely mising
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