Re: implicit function
- To: mathgroup at smc.vnet.net
- Subject: [mg28311] Re: implicit function
- From: Erk Jensen <Erk.Jensen at cern.ch>
- Date: Mon, 9 Apr 2001 02:58:09 -0400 (EDT)
- Organization: CERN http://www.cern.ch
- References: <9arhph$q8m@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Phil Bonacich wrote:
>
> This is a simple problem, but one that has bedeviled me. I define
> ff[x_] := FindRoot[2y == x, {y, .5}] . I don't want "{y -> 0.25}" when I
> enter ff[.5]; I want ".25", so that I can do other things with the function
> ff. How do I get it?
ff[x_] := (y /. FindRoot[2y == x, {y, .5}])