linux linear programming model

[Bryan O'Neal]

Short version:
I too would like to know

Long, and rather unhelpful version:
This sort of thing was a quarter semester in my calc 2 class.  We used
Mathematica but you can use any calc program, or linear algebra program
with multiply result sets you can then fashion into a single function.
What I believe you're looking for is a function that represents the
surface of a multi dimensional object that represents the derivative of
the possible functions and thus returns the highest result, with each
variable falling into a min/max range, at any point on the surface.  

It was fun, if you find a good modeling program let me know there are a
number of maximum profitability equations that I just 'rule of thumb'
because doing the math by hand is way to tedious.

-----Original Message-----
From: plug-discuss-bounces at lists.plug.phoenix.az.us
[mailto:plug-discuss-bounces at lists.plug.phoenix.az.us] On Behalf Of
Kevin Brown
Sent: Monday, November 19, 2007 6:29 PM
To: Main PLUG discussion list
Subject: Re: linux linear programming model

> Sounds like a SQL problem.
> Data -> database -> query -> answer :)

It isn't because it is trying to solve a multivariate series of
problems.

X + 2Y - 3Z = 8
X*Y/Z = 12

Solve for X, Y and Z (which you can't in this case because there is one 
fewer equations than you have variables).  SQL can't do this.
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