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FunctionInterpolation and NIntegrate

  • To: mathgroup at
  • Subject: [mg120824] FunctionInterpolation and NIntegrate
  • From: gac <g.crlsn at>
  • Date: Thu, 11 Aug 2011 07:55:57 -0400 (EDT)
  • Delivered-to:

f[r_] := NIntegrate[r + s , {s, 0, 1}]
g = FunctionInterpolation[f[r], {r, 0, 1}]

Can anyone explain why this works, yet I get the msg: 

NIntegrate::inumr: "The integrand r+s has evaluated to non-numerical values for all sampling points in the region with boundaries {{0,1}}."

Can the statements be reformed to avoid the msg?



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