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Integration of Exp[-x^2]/(1 + Exp[a * x])

• To: mathgroup at smc.vnet.net
• Subject: [mg39623] Integration of Exp[-x^2]/(1 + Exp[a * x])
• From: "Stefan" <themailingman at yahoo.de>
• Date: Wed, 26 Feb 2003 02:43:20 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Hello,



I have to integrate the function Exp[-x^2]/(1 + Exp[a * x]) where a is
real-valued parameter. Unfortunately



Integrate[Exp[-x^2]/(1 + Exp[a * x]), x]



yields no results. Does anyone know a clever trick I might have missed? Any
hint would be welcome,


Thanks in advance, Stefan

• Follow-Ups:
  • Re: Integration of Exp[-x^2]/(1 + Exp[a * x])
    • From: "Christophe Le Poncin-Lafitte" <leponcin@danof.obspm.fr>
  • Re: Integration of Exp[-x^2]/(1 + Exp[a * x])
    • From: Tomas Garza <tgarza01@prodigy.net.mx>