Re: Re: Manipulating a complex modulus expression

*To*: mathgroup at smc.vnet.net*Subject*: [mg82951] Re: [mg82911] Re: Manipulating a complex modulus expression*From*: Andrzej Kozlowski <akoz at mimuw.edu.pl>*Date*: Sun, 4 Nov 2007 06:13:44 -0500 (EST)*References*: <fgens4$g36$1@smc.vnet.net> <200711030823.DAA18982@smc.vnet.net>

On 3 Nov 2007, at 17:23, carlos at Colorado.EDU wrote: > >> >> Each new application of Simplify or FullSimplify is an adventure :-) >> > > Indeed ... I am curious: if one nests ComplexExpand inside Simplify > (or FullSimplify) would the simplifier automatically know that all > (non-designated) variables are real? > > If that is so, that would be a form of intraprocess inheritance > typical of > some languages. > > It is easy to show that the answer is no. For example FullSimplify[Im[ComplexExpand[Re[z]]]] Im[z] Andrzej Kozlowski

**References**:**Re: Manipulating a complex modulus expression***From:*carlos@Colorado.EDU