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MathGroup Archive 2001

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square wave function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg31663] square wave function
  • From: peterangelo at mindspring.com (Peter Dimitriou)
  • Date: Fri, 23 Nov 2001 05:46:46 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

To all who responded last time I posted, thank you, I was able to
resolve that on my own.

My new Question deals with the following lines of Mathematica code:


Clear[square]
square[x_] := 1 /; 0<x<1 
square[x_] := -1 /; -1<x<0  

Plot[square[x], {x,-1,1}]

This defines and plots a square wave of period 2 between -1 and 1. 
The question is how do I define this for all x (-inf<x<inf, with
period 2) in Mathematica?  The Only hint I get is to consider using
the Mod function.  Scratched my head long enough anyone out there
willing to help?

Peter


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