Re: Question about Replace
- To: mathgroup at smc.vnet.net
- Subject: [mg35688] Re: Question about Replace
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 26 Jul 2002 04:16:29 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <ahoecs$bta$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, what's wrong with In[]:=x + y + z/(x + y) + e^(x + y) + w*x + y /. (x + y) -> q Out[]=e^q + x + w*x + 2*y + z/q ?? Regards Jens Xuguang Zhang wrote: > > Hello All, > > I have an expression: x+y+z/(x+y)+e^(x+y)+w*x+y.... I want to replace > any (x+y) term by x no matter how the expression looks like. I tried > "/."command. However, it does not work properly. Is there any simple way > of doing this? Thanks. > > -- > Xuguang(Heather) Zhang