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Spline function smoothing and differentiation of noisy data on a rectangular grid

Conference ·
OSTI ID:6988072
 [1];  [2]
  1. Sandia National Labs., Albuquerque, NM (USA)
  2. Ohio State Univ., Columbus, OH (USA)

A method is presented for smoothing and differentiating noisy data given on a rectangular grid. The method makes use of a one-dimensional smoothing algorithm to construct the solution to an associated two-dimensional problem. Smoothing parameter selection is automated using a technique that does not require prior knowledge of the amount of noise in the data. Numerical examples are provided demonstrating the application of the method. 4 refs., 8 figs., 2 tabs.

Research Organization:
Sandia National Labs., Albuquerque, NM (USA)
Sponsoring Organization:
DOE/DP
DOE Contract Number:
AC04-76DP00789
OSTI ID:
6988072
Report Number(s):
SAND-89-2244C; CONF-9006124--2; ON: DE90009319
Country of Publication:
United States
Language:
English

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