Date: Apr 20, 2013 5:54 AM
Author: Bob Hanlon
Subject: Re: how to define and analyze function with multiple parts

Look up Piecewise.


Bob Hanlon


On Fri, Apr 19, 2013 at 1:17 AM, <pjanakir1978@gmail.com> wrote:

> Hi, I have a function on the plane that has 2 different formulation for 2
> different regions. Let x = (x1, ..., xn). I want to define it as
>
> U(x) = U_1(x) if x is in region 1
> = U_2(x) if x is in region 2
>
> Then I want to analyze such a defined function, like find its max, etc,
> using NMaximize, or put in some other expressions in place of x, to see
> behavior of U.
>
> Essentially, how does one define a multipart function, so that we can
> analyze it in the same way we may analyze a single part function or
> polynomial?
>
> Thanks.
>
> Prabhu
>
>