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I'm getting this error again and again even though I have interpolated my function from -3 to 3.

InterpolatingFunction::dmval: Input value {-2.99957,-2.99957} lies outside the range of data in the interpolating function. Extrapolation will be used

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    $\begingroup$ Hard to help without code we can run. $\endgroup$ – J. M.'s discontentment Aug 6 '16 at 12:20
  • $\begingroup$ Maybe end points are not evaluated? It's certainly possible that stepsize is less than 0.00043 $\endgroup$ – Feyre Aug 6 '16 at 12:23
  • $\begingroup$ post the code that generated this error $\endgroup$ – Conor Cosnett Aug 6 '16 at 12:57
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    $\begingroup$ "Suppress" = Quiet[], literally speaking. There's also "ExtrapolationHandler" $\endgroup$ – Michael E2 Aug 6 '16 at 15:37
  • $\begingroup$ It's not really an error message -- it's a warning. Without working code, it's hard to give any advice except use Quiet as suggested by Micheal E2. $\endgroup$ – m_goldberg Aug 6 '16 at 20:10