MathGroup Archive 2001

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Bug in Integrate?

  • To: mathgroup at
  • Subject: [mg28744] Bug in Integrate?
  • From: "Wil Kortsmit" <rcwil at>
  • Date: Fri, 11 May 2001 20:00:25 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Dear Mathematica Group,

I am a very enthusiastic Mathematica user.
Mathematica has become faster, but what I like more is reliable integration.
In Mathematica 4.1 evaluating the expression

Integrate[Abs[x^4 - 4x^3 + 2x^2 + 1], {x, 0, 4}]

gives me -14/5 as the result, what of course can not be correct.
Or am I overlooking something?

Wil Kortsmit

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