[Date Index]
[Thread Index]
[Author Index]
Re: Is this a problem in mathematica?
*To*: mathgroup at smc.vnet.net
*Subject*: [mg74622] Re: Is this a problem in mathematica?
*From*: Johan Grönqvist <johan.gronqvist at gmail.com>
*Date*: Wed, 28 Mar 2007 04:35:53 -0500 (EST)
*References*: <eud3g1$l0t$1@smc.vnet.net>
traz skrev:
> Let's say I wanna solve this problem:
>
> Determine point(s) on y = x^2 +1 that are
> closest to (0,2).
>
> So in mathematica:
>
> minDist = (x - 0)^2 + (y - 2)^2;
> Minimize[minDist, y == 1 + x^2, {x, y}]
>
> Output will give you: x -> -1/Sqrt[2], y -> 3/2
>
> but x also has another answer: +1/Sqrt[2]. Is this a problem in mathematica or can my code be changed to output the other value of x for the minimum distance?
>
The help browser page on Minimize says "Even if the same minimum is
achieved at several points, only one is returned. "
I think the problem might be solved by using FindMinimium, and starting
from several different points.
/ johan
Prev by Date:
**comments in import files**
Next by Date:
**Re: Is this a problem in mathematica? (2nd)**
Previous by thread:
**Re: Is this a problem in mathematica?**
Next by thread:
**Re: Re: Is this a problem in mathematica?**
| |