Re: How to get the real part of an integral?

*To*: mathgroup at smc.vnet.net*Subject*: [mg48471] Re: How to get the real part of an integral?*From*: Paul Abbott <paul at physics.uwa.edu.au>*Date*: Tue, 1 Jun 2004 03:02:47 -0400 (EDT)*Organization*: The University of Western Australia*References*: <c9ebrg$g72$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

In article <c9ebrg$g72$1 at smc.vnet.net>, ankowar at yahoo.com (Andy Kowar) wrote: > I am trying to get the real part of an integral (see below). > > > << Algebra`ReIm` > Integrate[1/(1 + x^2 + x^4), x] > Re[%] > > I am getting the error: > "$IterationLimit::itlim: Iteration limit of 4096 exceeded." > > > Any advice? Don't use Algebra`ReIm`. The following works fine: Integrate[1/(1 + x^2 + x^4), x] Simplify[ComplexExpand[Re[%], TargetFunctions -> {Re, Im}]] Cheers, Paul -- Paul Abbott Phone: +61 8 9380 2734 School of Physics, M013 Fax: +61 8 9380 1014 The University of Western Australia (CRICOS Provider No 00126G) 35 Stirling Highway Crawley WA 6009 mailto:paul at physics.uwa.edu.au AUSTRALIA http://physics.uwa.edu.au/~paul