Difficulties with Re

*To*: mathgroup at smc.vnet.net*Subject*: [mg98349] Difficulties with Re*From*: Aaron Fude <aaronfude at gmail.com>*Date*: Mon, 6 Apr 2009 05:05:13 -0400 (EDT)

Hi, Of the following two expressions, the first "works", while the second doesn't. How does one make it work? Assuming[x > 0 && y > 0, Re[Exp[x + I y]] // Simplify] Assuming[x > 0 && y > 0, Re[Exp[(x + I y)^2]] // Simplify] Many thanks in advance, Aaron

**Follow-Ups**:**Re: Difficulties with Re***From:*Curtis Osterhoudt <cfo@lanl.gov>

**Re: Difficulties with Re***From:*Murray Eisenberg <murray@math.umass.edu>

**Re: Difficulties with Re***From:*Adriano Pascoletti <adriano.pascoletti@dimi.uniud.it>

**Re: Difficulties with Re***From:*Ailing Zhao <ailingz@wolfram.com>