       Re: Problem with element and Maximize

• To: mathgroup at smc.vnet.net
• Subject: [mg82767] Re: Problem with element and Maximize
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Tue, 30 Oct 2007 05:45:12 -0500 (EST)
• Organization: Uni Leipzig
• References: <fg6r4j\$du1\$1@smc.vnet.net>

```Hi,

you really think that:
if you feed Maximize with floating point (machine preccision numbers)
it would remove all rounding errors and present you an integer ...
and you think that Round[] the solution would not be the better idea ??

Regards
Jens

Uncle Paul wrote:
> I'm not sure what I am doing wrong.  I am trying to get the nearest
> integer maximim for the mentioned equation.  I could round the X
> value, but I would like to operate Mathematica correctly.
>
> (*generate the equation*)
> data = {{0, 0}, {10, 10}, {20, 0}, {30, 10}};
> eq = Fit[data, {1, x, x^2, x^3}, x]
> Plot[eq, {x, 0, 30}]
>
> Maximize[{eq, x \[Element] Integers}, x]  (*wrong!*)
>
> Maximize[{eq}, x]      (*correct, but not integer, of course*)
>
>
> Best Regards,
> Paul
>

```

• Prev by Date: Re: vector representation
• Next by Date: Re: Bug of Integrate
• Previous by thread: Problem with element and Maximize
• Next by thread: Re: Problem with element and Maximize