1. Sep 7, 2013 #1

   alejandrito29

   

   Hello , i need to calculate the following integral
   
   [tex] \int_{-\infty}^{\infty} x^4 H(x)^2 e^{-x^2} dx[/tex]
   
   i tried using the recurrence relation, but i dont go the answer

    

   alejandrito29, Sep 7, 2013
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3. Sep 7, 2013 #2

   vanhees71

   

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   What's [itex]H[/itex]? The Hermite polynomials have an index, i.e., [itex]H_n[/itex] with [itex]n \in \mathbb{N}_0[/itex].

    

   vanhees71, Sep 7, 2013

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