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Help on Introduction to Electrodynamics 3rd edition by David J. Griffiths

  1. Jul 22, 2005 #1
    Help on "Introduction to Electrodynamics 3rd edition by David J. Griffiths"

    I'm studying that book right now, but I'm having a hard time understanding...
    Can someone explain what a dirac delta function is and how to use it?
    I also don't understand the what is the electrostatic boundary conditions are on page 87...
  2. jcsd
  3. Jul 22, 2005 #2


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  4. Jul 24, 2005 #3
    thank you~
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