Re: long evaluation time
- To: mathgroup at smc.vnet.net
- Subject: [mg51220] Re: [mg51208] long evaluation time
- From: DrBob <drbob at bigfoot.com>
- Date: Sat, 9 Oct 2004 04:18:33 -0400 (EDT)
- References: <200410080655.CAA25000@smc.vnet.net>
- Reply-to: drbob at bigfoot.com
- Sender: owner-wri-mathgroup at wolfram.com
Because Minimize isn't evaluating it at all (I think). It's lost in never-never land.
Timing[NMinimize[
{(x + x^2)/(1 + y^2) +
(y + y^2)/(1 + z^2) +
(z + z^2)/(1 + x^2),
x > 0 && y > 0 && z > 0},
{x, y, z}]]
{0.046999999999997044*Second,
{0., {x -> 0., y -> 0., z -> 0.}}}
Bobby
On Fri, 8 Oct 2004 02:55:02 -0400 (EDT), _n3g <math.online at gmx.net> wrote:
> Hi everybody!
>
> Can anyone explain me, why it takes so long to evaluate
>
> Minimize[
>
> (x + x^2)/(1 + y^2) + (y + y^2)/(1 + z^2) + (z + z^2)/(1 + x^2),
>
> x > 0 && y > 0 && z > 0,
>
> {x,y,z}
>
> ]
>
> ?
>
> thx, _n3g
>
>
>
>
--
DrBob at bigfoot.com
www.eclecticdreams.net
- References:
- long evaluation time
- From: math.online@gmx.net (_n3g)
- long evaluation time