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Electromagnetic wave equation in Einstein Notation

  1. Feb 28, 2013 #1
    Hey!

    How to transform the equation
    [tex]\bigtriangleup\vec E=\operatorname{div}(\operatorname{grad}(\vec E))=\epsilon_0\cdot\mu_0\cdot\frac{\partial^2\vec E}{\partial t^2}[/tex] in Einstein Notation?

    Thank you all for your help!
     
  2. jcsd
  3. Feb 28, 2013 #2

    tiny-tim

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    hey smoking-frog! :smile:

    show us your attempt :wink:
     
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