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Re: Integrate question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77612] Re: Integrate question
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 14 Jun 2007 05:13:03 -0400 (EDT)
  • References: <f4omvd$7qh$1@smc.vnet.net>

Hi dimitris,

this is a very valuable question:

> I am neither software enginner, nor pure mathematician but this
> fundmental difference impressed me a lot! I am familiar
> with the issue of generic complex values in mathematica
> but here Mathematica "assumes" that typing Integrate[f'[x],{x,a,b}]
> f[x] is continuous in [a,b]?


and what happens with f'[x] if f[x] is *not* continuous in [a,b] ??
it does not exist on every point in[a,b]?
You can't write f'[x] if it does not exist
and writing it mean that f'[x] exist and that the integral will be
continuous.

Regards
   Jens


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