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MathGroup Archive 2006

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Re: Defining Solve results as variable

  • To: mathgroup at smc.vnet.net
  • Subject: [mg70044] Re: Defining Solve results as variable
  • From: bghiggins at ucdavis.edu
  • Date: Sun, 1 Oct 2006 04:08:51 -0400 (EDT)
  • References: <eflebs$deg$1@smc.vnet.net>

Diana, Try this

First[x /. Solve[x + 1 == 2, x]]
x1 = %

Cheers,

Brian


Diana wrote:
> Hi,
>
> I am trying to write a program which defines a variable with the
> results of a Solve equation.
>
> So, if I write
>
> Solve[x+1=2,x]
>
> I get {{x -> 1}}
>
> I have not been able to figure out how to define a variable to the
> result, so that if I then type
>
> x1 = %, for example, it defines x1 as 1.
>
> I know this must be simple, but I didn't find it in the Help material.
> 
> Thanks in advance,
> 
> Diana


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