Re: Help! FindRoot output to list...
- To: mathgroup at smc.vnet.net
- Subject: [mg30976] Re: [mg30958] Help! FindRoot output to list...
- From: BobHanlon at aol.com
- Date: Sat, 29 Sep 2001 04:18:55 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 2001/9/28 4:20:10 AM, joal at sissa.it writes:
>I would be extremely thankful to anyone
>who can provide me with a solution for
>converting the FindRoot output list to
>a list of the 'usable' numbers.
>(With other word getting rid of the "x->"
> part of the list.)
>
Use ReplaceAll
x /. x -> 3
3
x /. FindRoot[Exp[x] == x^2, {x, 3}]
-0.7034674263898045
x /. Solve[x^3-6x^2-x+30==0, x]
{-2, 3, 5}
Bob Hanlon
Chantilly, VA USA