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Math Help - real-valued integrals evaluated using contour integration

  1. #1
    Super Member Random Variable's Avatar
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    real-valued integrals evaluated using contour integration

    Does anyone have any examples of interesting real-valued definite integrals that can be evaluated by contour integration that they like to share? Maybe one with an unusual contour, or perhaps one with an essential singularity (i.e, something not prototypical).
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  2. #2
    A Plied Mathematician
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    Check out Griffiths' Introduction to Quantum Mechanics, around page 320 or 330 (I don't have my copy with me). There's an interesting contour integral there that takes up about two pages of analysis.
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    Quote Originally Posted by Random Variable View Post
    Does anyone have any examples of interesting real-valued definite integrals that can be evaluated by contour integration that they like to share? Maybe one with an unusual contour, or perhaps one with an essential singularity (i.e, something not prototypical).
    There was a post of a contour with a singularity answered by HallsofIvy in this forum between Dec and now.
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