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