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Re: Division by zero, despite strong hint

  • To: mathgroup at smc.vnet.net
  • Subject: [mg96608] Re: Division by zero, despite strong hint
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Tue, 17 Feb 2009 06:25:25 -0500 (EST)

On 2/16/09 at 6:55 AM, dch888 at googlemail.com (dch888) wrote:

>I'm trying to plot the Sin[1/x] curve with the curve being defined
>as 0 at 0 like this:

>g3[x_] := Piecewise[{{Sin[1/x], x != 0} {0, x == 0}}]

>Invoking Plot produced a flat graph

I have no problems with g3 as defined above. Is it possible you
have previously defined x in the notebook where you tried this?
Try doing this in a fresh session and see if you still have difficulties.



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