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The surface gradient.

  1. Aug 1, 2008 #1
    Just a really quick sanity check. This equation...

    [tex]\nabla[/tex]sU = [tex]\nabla[/tex]U - n*(n [tex]\bullet[/tex] [tex]\nabla[/tex]U)

    ...the correct equation for the surface gradient given [tex]\nabla[/tex]U is the gradient of the surface and n is the normal unit vector?
  2. jcsd
  3. Aug 1, 2008 #2


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    Looks good to me :approve:
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