Title :
Least-squares fitting of data by rational functions: Levy´s method (Part 1) [By the Numbers]
Author :
Dyer, Stephen A. ; Dyer, Justin S.
Author_Institution :
Kansas State Univ., Manhattan, KS, USA
fDate :
12/1/2009 12:00:00 AM
Abstract :
In this article, we will provide a brief introduction to least-squares fitting of data by rational functions by presenting Levy´s method, a classical approach that is relatively straightforward in concept and easy to program, and which gives respectable results in a broad range of circumstances.
Keywords :
curve fitting; least squares approximations; rational functions; Levy method; least-square fitting; rational function; Data engineering; Fitting; Frequency; Instruments; Interpolation; Polynomials;
Journal_Title :
Instrumentation & Measurement Magazine, IEEE
DOI :
10.1109/MIM.2009.5338261