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4. Process Modeling
4.6. Case Studies in Process Modeling

4.6.4.

Thermal Expansion of Copper Case Study
Exact Rational Fitting This case study illustrates the use of a class of nonlinear models called rational function models. The data set used is the thermal exapnsion of copper related to temperature.

This data set was provided by the NIST scientitst Thomas Hahn.

Contents
  1. Background and Data
  2. Rational Function Models
  3. Initial Plot of Data
  4. Fit Quadratic/Quadratic Model
  5. Fit Cubic/Cubic Model
  6. Work This Example Yourself
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