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MathGroup Archive 2007

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Re: How to Eliminate

  • To: mathgroup at smc.vnet.net
  • Subject: [mg75229] Re: How to Eliminate
  • From: "Dana DeLouis" <dana.del at gmail.com>
  • Date: Sat, 21 Apr 2007 23:08:43 -0400 (EDT)

> like to know how to eliminate x ->.

Hi.  Here's just another of many options:

Solve[(x - 0.1)*(x - 0.5) == 0, x][[All,1,2]]

{0.1, 0.5}

As a function:

ValuesOnly[v_List] := v[[All,1,2]]


Solve[(x - 0.1)*(x - 0.5) == 0, x] // ValuesOnly

{0.1, 0.5}

-- 
HTH   :>)
Dana DeLouis
Windows XP & Mathematica 5.2



<JikaiRF at aol.com> wrote in message news:evsr25$14h$1 at smc.vnet.net...
> Dear Members:
> When I use "Solve" in order to solve polynomials with high orders, its
> solutions are usually reterned in terms of a pair of nested braces,
> like {{x -> 0.1}, {x -> 0.5}}. In this situation, I would like to
> obtain a pair of braces such as {0.1, 0.5}.  In other words, I would
> like to know how to eliminate x ->.
> How can I obtain my result?
> 
>      Sincerely
>      F. Takata.



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