Re: How do I assign the solution obtained by FindRoot to a variable?
- To: mathgroup at smc.vnet.net
- Subject: [mg128486] Re: How do I assign the solution obtained by FindRoot to a variable?
- From: "Dr. Wolfgang Hintze" <weh at snafu.de>
- Date: Wed, 24 Oct 2012 03:33:07 -0400 (EDT)
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- Delivered-to: l-mathgroup@wolfram.com
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- References: <k658dg$h6c$1@smc.vnet.net>
On 23 Okt., 07:04, NS Lin <nansheng.... at gmail.com> wrote:
> I would like to store the root/solution obtained by the FindRoot[] function to a variable. How can I do that?
>
> Thanks!
>
> NS
In[472]:= eq = x == Exp[-x]
Out[472]= x == E^(-x)
In[475]:= z = x /. FindRoot[eq, {x, 1}]
Out[475]= 0.5671432904097838
In[477]:= Exp[-z]
Out[477]= 0.5671432904097838
Regards,
Wolfgang