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Re: [Newbie] Interpreting output

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  • Subject: [mg56657] Re: [Newbie] Interpreting output
  • From: David Bailey <dave at>
  • Date: Mon, 2 May 2005 01:32:39 -0400 (EDT)
  • References: <d51nl8$cu9$>
  • Sender: owner-wri-mathgroup at


You  really can't expect to take the derivative of a function defined by 
an arbitrary definition like that! D is meant to be used on algebraic 
expressions. However, you can define functions using Piecewise to do 
what you want. For example:




Having said that, I rather think that answer should contain a Dirac 
delta function to cover the discontinuity at x=c!

David Bailey

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