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Integrate problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg86185] Integrate problem
  • From: "Michael Weyrauch" <michael.weyrauch at gmx.de>
  • Date: Wed, 5 Mar 2008 03:39:43 -0500 (EST)

Hello,

  evaluating the integral

Integrate[Sin[1/x]*(Exp[(-a)*x^2]/x), {x, 0, Infinity}, Assumptions -> a > 0]

in Mathematica 6.0.1 produces
(1/2)*Pi*HypergeometricPFQ[{}, {1/2, 1}, a/4] - 
Sqrt[a]*Sqrt[Pi]*HypergeometricPFQ[{}, {3/2, 3/2}, a/4]

What is the meaning of the empty list in the first parameter of  HypergeometricPFQ?

Thanks for answers,

Michael Weyrauch



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