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MathGroup Archive 2004

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Problem with NIntegrte

  • To: mathgroup at
  • Subject: [mg47725] Problem with NIntegrte
  • From: Joel Storch <jstorch at>
  • Date: Fri, 23 Apr 2004 02:31:08 -0400 (EDT)
  • Sender: owner-wri-mathgroup at


Integrate[y,{x,-Infinity,Infimity}] yields
  2 BesselI[0,1/2] BesselK[0,1/2] (1.966)

2 NIntegrate[y,{x,0,Infinity},Method->Oscillatory] gives 1.966
(the integrand is an even function)

NIntegrate[y,{x,-Infinity,Infinity},Method->Oscillatory] gives

(Mathematica V5.1)

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