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MathGroup Archive 2004

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Troubles with Integrating certain functions in 5.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49128] Troubles with Integrating certain functions in 5.0
  • From: Alain Cochard <alain at geophysik.uni-muenchen.de>
  • Date: Fri, 2 Jul 2004 02:01:31 -0400 (EDT)
  • Reply-to: alain at geophysik.uni-muenchen.de
  • Sender: owner-wri-mathgroup at wolfram.com

> In: Integrate[Exp[-Sin[x]^2]*Sqrt[E], {x, 0, Pi}]
> Out: Pi ( BesselI[0, 1/2] - StruveL[0, 1/2] )
> 
> Versus:
> 
> In: Integrate[Exp[-Sin[x]^2], {x, 0, Pi}]*Sqrt[E]
> Out: Pi BesselI[0,1/2]
>
> I'd be curious to know how this plays out with other versions and on
> other platforms....

In[409]:= Integrate[Exp[-Sin[x]^2]*Sqrt[E], {x, 0, Pi}]

                        1
Out[409]= Pi BesselI[0, -]
                        2

In[410]:= Integrate[Exp[-Sin[x]^2], {x, 0, Pi}]*Sqrt[E]

                        1
Out[410]= Pi BesselI[0, -]
                        2

In[411]:= $Version

Out[411]= 4.0 for Linux (July 22, 1999)


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