Recent content by maxknrd

  1. maxknrd

    I More elegant way to solve divergence of arbitrary dotproduct

    Okey so I will then probably have to write it down. Thank you. I just really hoped there are some relations of taking a dotproduct/crossproduct with the vector itself
  2. maxknrd

    I More elegant way to solve divergence of arbitrary dotproduct

    This page is brilliant. The problem I have though, is that I don't know anything about r. I just know, that a is constant. The identities are a great help, but with that I would just endup writing long equations like the one I started in the original post and couldn't come to a clear solution imo
  3. maxknrd

    I More elegant way to solve divergence of arbitrary dotproduct

    The second dot was supposed to be a normal multiplication point. I assumed that this was a normal notation for multiplication of a scalar and a vector
  4. maxknrd

    I More elegant way to solve divergence of arbitrary dotproduct

    I am sorry. I corrected it.
  5. maxknrd

    I More elegant way to solve divergence of arbitrary dotproduct

    This is more of a general question, but I've encountered this kind of exercises a lot in my current preperations for my exam: There are two cases but the excercise is pretty much the same: Compute $$(1) \space \operatorname{div}\vec{A}(\vec{r}) \qquad , where \thinspace...
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