MathGroup Archive 1997

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integration problem???

  • To: mathgroup at
  • Subject: [mg9257] integration problem???
  • From: "J. M. Reese" <eng484 at>
  • Date: Fri, 24 Oct 1997 01:01:11 -0400
  • Organization: Department of Engineering at Aberdeen University
  • Sender: owner-wri-mathgroup at

I am trying to integrate the expression: ((2*r2-r1-r).^5).*(r.^(-8))
with respect to r, between the limits r1=4.75e-4 to r2=2.25e-4.

If I use Mathematica I get 1.9567e10 If I use quad8 in Matlab I get

Does anyone know what is going wrong with this, please?


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