Xref: utzoo comp.graphics:5997 sci.math:6882 sci.math.num-analysis:7
Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!ut-emx!bill
From: bill@ut-emx.UUCP (Bill Jefferys)
Newsgroups: comp.graphics,sci.math,sci.math.num-analysis
Subject: Re: Need to fit a circle to some points
Keywords: circle algorithm least-squares fit
Message-ID: <13643@ut-emx.UUCP>
Date: 2 Jun 89 15:55:24 GMT
References: <573@lehi3b15.csee.Lehigh.EDU>
Reply-To: bill@emx.UUCP (Bill Jefferys)
Organization: UTexas Computation Center, Austin, Texas
Lines: 25

In article <573@lehi3b15.csee.Lehigh.EDU> flash@lehi3b15.csee.Lehigh.EDU (Stephen Corbesero) writes:
#
#I need an algorithm to fit a set of data points, obtained
#experimentally, to the best-fit circle.  I have searched through many
#book son least squares anaylsis, but can only find simple cases.  I
#started to do the math, but it became rather involved very quickly.

Look in Wayne A. Fuller's _Measurement Error Models_, Chapter 3
(esp. Section 3.2). Published by Wiley, 1987.

Warning: This is not easy going.

Bill Jefferys

#
#I would appreciate it if i can get code to do this, or perhaps leads
#as to where I can continue looking.
#
#Thanks in advance....
#
#-- 
#Stephen Corbesero                              flash@lehi3b15.UUCP
#VLSI Design Automation Lab                     flash@lehi3b15.CSEE.Lehigh.EDU
#Computer Science And Electrical Engineering,   usgcorb@vax1.CC.Lehigh.EDU
#Lehigh University, Bethlehem, PA 18015