MathGroup Archive 2002

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Interpolation problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg33435] Interpolation problem
  • From: KIMIC Weijnitz Peter <peter.weijnitz at mic.ericsson.se>
  • Date: Thu, 21 Mar 2002 09:27:17 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

If you use Intepolation on these data, it looks strange, why?

mm={{0.8,1/0.8},{0.9,1/0.9},{2.8,1/2.8},{5.8,1/5.8},{5.9,1/5.9}};

I did:

imm=Interpolation[mm];

Plot[imm[t],{t,0.8,5.9},PlotRange->All,
  Epilog->Evaluate[mm/.{a_,b_}->{AbsolutePointSize[10],Point[{a,b}]}]];

The resulting curve goes through all points but it deviates between
points?

I have tred different intepolationorder values.



Best regards
Peter W


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