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Re: Tricky visualization of maximization problem

• To: mathgroup at smc.vnet.net
• Subject: [mg71006] Re: [mg71004] Tricky visualization of maximization problem
• From: "Chris Chiasson" <chris at chiasson.name>
• Date: Sat, 4 Nov 2006 23:06:59 -0500 (EST)
• References: <200611040908.EAA25130@smc.vnet.net>

David Park's DrawGraphics package, which costs a nominal fee, can help
you do exactly what you want.

I wrote some messy code that uses the package in this way, which you
can see here:

http://chris.chiasson.name/Engineering_Optimization/appendix.hw5.Sequential_Unconstrained_Minimization.html#fig.hw5.problem_5-4_constrained_objective_function

http://chris.chiasson.name/Engineering_Optimization/chapter.hw3.Linear_Programming.html

I'll eventually revise it, but I'm sure you wanted an answer yesterday.

Maybe he will write you personally.



On 11/4/06, Uwe Ziegenhagen <newsgroup at ziegenhagen.info> wrote:
> Hi,
>
> I want to maximize
>
> x1^2 + 4*x1*x2 + 3*x2^2  (eq.1)
>
> under the constraint
>
> x1^2 + x2^2 == 1 (eq. 2)
>
> So far no problem, Maximize gives me 2 + sqrt(5)
>
> But how can I display this visually?
>
> For eq. 1 I can use Plot3D[], for eq. 2 ImplicitPlot[] but how to have
> them in one picture?
>
>
> Thanks in advance,
>
>
> Uwe
>
>


-- 
http://chris.chiasson.name/

• References:
  • Tricky visualization of maximization problem
    • From: Uwe Ziegenhagen <newsgroup@ziegenhagen.info>