Re: Troubles with Integrating certain functions in 5.0
- To: mathgroup at smc.vnet.net
- Subject: [mg49127] Re: Troubles with Integrating certain functions in 5.0
- From: Hendrik van Hees <hees at comp.tamu.edu>
- Date: Fri, 2 Jul 2004 02:01:29 -0400 (EDT)
- Organization: Texas A&M University
- References: <cc0n0q$kvs$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Matt Hancher wrote:
> 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]
Hm, this means Mathematica did things better in the past. I still run
4.0, and I get the (hopefully right) result pi I_0(1/2) in both cases.
--
Hendrik van Hees Cyclotron Institute
Phone: +1 979/845-1411 Texas A&M University
Fax: +1 979/845-1899 Cyclotron Institute, MS-3366
http://theory.gsi.de/~vanhees/ College Station, TX 77843-3366