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>
- Reply-to: kuska at informatik.uni-leipzig.de
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
>