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