Sounds like a SQL problem.
Data -> database -> query -> answer :)
Matt Graham wrote:
> After a long battle with technology, Alex LeDonne wrote:
>
>> On Nov 19, 2007 4:17 PM, betty <nicepenguin@webcanine.com> wrote:
>>
>>> anyone know a linear programming model (for feed ingredients) that is
>>> avail as an open source program??? I do my own dog diet blending and it is
>>> pretty tiring to use gnumeric (or else i don't know all the features;
>>>
>>> I looked on line but most (all) of the pet food programs are keeping it
>>> close to the vest since it is their bread and butter (sorry about the
>>> mixed metaphors :( )
>>>
>
> That's a horse of a different feather, and once you let it out of the barn
> door, it snowballs and has a life of its own sort of like a computer virus.
>
>
>> What do you mean by "linear programming model"?
>> What are the inputs, and what is the output you're looking for?
>>
>
> I believe betty is looking for something like this (from the BSD fortune
> file):
> ----------------
> Enter lots of data on calorie & nutritive content of foods. Instruct
> the thing to maximize a function describing nutritive content, with a
> minimum level of each component, for fixed caloric content. The
> results are that one should eat each day:
>
> 1/2 chicken
> 1 egg
> 1 glass of skim milk
> 27 heads of lettuce.
> -- Rev. Adrian Melott
> ----------------
>
> ...except one that works properly, and one geared for dogs instead of people.
> This can get very complex depending on the number of lines you have to deal
> with and which factors you're trying to min/max. I did this a very long time
> ago in junior high, but have forgotten everything except the basic concepts.
> Searching for "linear programming" on freshmeat doesn't give you anything
> that works with gnumeric or OOO, but does turn up a C package. This is
> probably not what you want. Can't see anything in OOO's help either. Dang.
>
>
--
JD Austin
Twin Geckos Technology Services LLC
email:
jd@twingeckos.com
http://www.twingeckos.com
phone/fax: 480.288.8195
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