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Math Help - evaluation of complex surface integral

  1. #1
    jbd
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    evaluation of complex surface integral

    My calculus is very rusty, I have this integral that I need to evaluate for different geometries. g are lattice vectors, r the realspace vectors - so I need to evaluate so for each g over the surface of the required geometry.

    \oint{ds\exp{-ig\cdot r}}

    (in case my latex doesn't work the equation is: integral over closed surface of ds.exp(-ig.r))

    This possibly isn't a very coherent question - but I just don't have a clue where to start with this. Any help would be very much appreciated.

    jbd
    Last edited by Chris L T521; January 11th 2010 at 10:09 AM. Reason: fixed LaTeX
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