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Topic: how to define and analyze function with multiple parts
Replies: 4   Last Post: Apr 20, 2013 5:56 AM

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 Bob Hanlon Posts: 906 Registered: 10/29/11
Re: how to define and analyze function with multiple parts
Posted: Apr 20, 2013 5:54 AM

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
>
>

Date Subject Author
4/20/13 Bob Hanlon
4/20/13 Murray Eisenberg
4/20/13 Tomas Garza Hernandez
4/20/13 Prabhu