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Re: Derivative of experimental data

On Feb 3, 6:12 pm, d... at wrote:
> Some URLs to past discussion are here:
> Upshot: Smooth interpolation (splines maybe) or Fourier methods might be 
good for this. Also I wonder if finite differencing, with more than just immediate neighbors, might be alright? (This assumes you only used the immediate neighbors; if you tried with more and it was no good then that's that.)
> Daniel Lichtblau
> Wolfram Research

there are plenty of difference schemes outlined in the documentation:


but any differencing method (sans smoothing of some type) is going to
give noisy output (right??)


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