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Re: Defining Solve results as variable

  • To: mathgroup at smc.vnet.net
  • Subject: [mg70038] Re: [mg70022] Defining Solve results as variable
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Sun, 1 Oct 2006 04:08:27 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

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

1

x1 = Solve[x+1==2, x][[1, 1, 2]]

1


Bob Hanlon

---- Diana <diana.mecum at gmail.com> 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
> 

--

Bob Hanlon
hanlonr at cox.net



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