Re: Using the same symbol for different quantities
- To: mathgroup at smc.vnet.net
- Subject: [mg52440] Re: Using the same symbol for different quantities
- From: AES/newspost <siegman at stanford.edu>
- Date: Sat, 27 Nov 2004 01:40:40 -0500 (EST)
- References: <co4e29$l9c$1@smc.vnet.net> <co73t2$535$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <co73t2$535$1 at smc.vnet.net>,
David Bailey <dave at Remove_Thisdbailey.co.uk> wrote:
> However, you will gain much flexibility by not defining things with '=',
> but using transformation rules. For example, this gives you what you want:
>
> z /. {y -> f[x], z -> g[y]}
And maybe name your rules at the beginning of your notebook, e.g.
myRules = {y -> f[x], z -> g[y]}
and then further down
z /. myRules
Gives you flexibility to change your rules if you change your notation
later on.