Re: FindRoot inside FindMinimum
- To: mathgroup at smc.vnet.net
- Subject: [mg100434] Re: FindRoot inside FindMinimum
- From: dh <dh at metrohm.com>
- Date: Wed, 3 Jun 2009 05:28:48 -0400 (EDT)
- References: <h050l6$ac5$1@smc.vnet.net>
Hi,
here is a simple example for FindRoot inside FindMinimum. Note that we
eunsure that f is only called with a numeric argument.
=====================================
f[a_?NumericQ] := Abs[x /. FindRoot[x + a, {x, 1}]];
FindMinimum[
f[a]
, {a, 2}]
====================================
Daniel
"Versiane Leão (UFOP)" wrote:
> I would like some help with a problem I'm facing using mathematica to
> model chemical kinetics. The specific question is about the use of
> FindRoot and FindMinimum. In the code attached I am trying to solve an
> non linear equation (blue) using FindRoot inside a FindMinimum loop (to
> fit 3 differents constant). As I am not successuful with the
> implementaion I wondering if FindRoot can be used insde FindMinimum. Is
> that possible? Can anyone can help.
>
>
> Mixed control - kinetics.pdf
> http://docs.google.com/fileview?id=F.295c483e-bb6d-4c74-808b-06be644a876c
>
>
> Best regards,
>
> --
> Professor Versiane Albis Le=E3o
> Laborat=F3rio de Hidrometalurgia/ Hydrometallurgy laboratory
> Departamento de Engenharia Metal=FArgica e de Materiais / Metallurgical and=
> Materials Engineering
> Address: Campus Morro do Cruzeiro, s.n.- 35400-000, Ouro Preto, MG, Brazil
> Tel/Phone: +55.31.3559.1102
> Fax: +55.31.3559.1561
> Email alternativo: va.leao at uol.com.br
> skype:versiane.albis.leao
>