Re: Derivative of experimental data
- To: mathgroup at smc.vnet.net
- Subject: [mg124760] Re: Derivative of experimental data
- From: Armand Tamzarian <mike.honeychurch at gmail.com>
- Date: Sat, 4 Feb 2012 06:31:38 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <jgauad$eq8$1@smc.vnet.net> <jgg1c0$boq$1@smc.vnet.net>
On Feb 3, 6:12 pm, d... at wolfram.com wrote: > Some URLs to past discussion are here: > > http://forums.wolfram.com/mathgroup/archive/2012/Jan/msg00396.html > > 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: tutorial/NDSolvePDE but any differencing method (sans smoothing of some type) is going to give noisy output (right??) Mike
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