MathGroup Archive 2001

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Re: implicit function

  • To: mathgroup at
  • Subject: [mg28302] Re: [mg28297] implicit function
  • From: BobHanlon at
  • Date: Mon, 9 Apr 2001 02:58:02 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

ff[x_] := y /. FindRoot[2y == x, {y, .5}];

Bob Hanlon

In a message dated 2001/4/7 3:59:21 AM, bonacich at writes:

>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
>enter ff[.5]; I want ".25", so that I can do other things with the function
>ff.  How do I get it?

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