Re: How do I get a numeric value from FindRoot[] ?
- To: mathgroup at smc.vnet.net
- Subject: [mg120857] Re: How do I get a numeric value from FindRoot[] ?
- From: Gary Wardall <gwardall at gmail.com>
- Date: Sat, 13 Aug 2011 06:48:20 -0400 (EDT)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <j206tf$77b$1@smc.vnet.net>
On Aug 11, 4:20 am, Glenn Carlson <g.cr... at gmail.com> wrote:
> In[1]:= sol = FindRoot[x + 9, {x, -5}]
> x = x /. sol
> x + 2.5
>
> Out[1]:= {x -> -9.}
> Out[2]:= -9.
> Out[3]:= -6.5
>
> Regards,
> Glenn
One could also do:
FindRoot[x + 9, {x, -5}][[1]][[2]]
Gary Wardall