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Re: Integration of piecewise function

• To: mathgroup at smc.vnet.net
• Subject: [mg52480] Re: [mg52463] Integration of piecewise function
• From: yehuda ben-shimol <benshimo at bgu.ac.il>
• Date: Mon, 29 Nov 2004 01:22:27 -0500 (EST)
• References: <200411280606.BAA06619@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

In version 5.1 this problem is taken care of by the new Pieswise[] function 
that is integrated to all the necessary functions such as Integrate, NDSolve, 
D[] etc.
yehuda
On Sunday 28 November 2004 08:06, Riccardo wrote:
> <inviati & spediti>
>
> I just defined a function like this:
>
> X[\[Omega]_] := 0 /; \[Omega] < 0;
> X[\[Omega]_] := 1 /; 0 < \[Omega] < 2;
> X[\[Omega]_] := -1 /; 2 < \[Omega] < 4;
> X[\[Omega]_] := 0 /; \[Omega] > 4;
>
> Is it possible now to integrate it from -infinity to +infinity? I've
> already tried and it doesn't give me the result.
> Thanks.
>
> Luca

• References:
  • Integration of piecewise function
    • From: Riccardo <ricky@nospam.it>