Fast code to fit circular arcs

2019-12-06T07:38:56Z (GMT) by Veikko Karimäki
Abstract We present a fast code to fit circular arcs to measured points. Our algorithm is based on an explicit solution of a non-linear least-squares problem to fit the circle curvature, direction and position parameters. The code includes error estimation of the circle parameters as well as the transformation of parameters and error matrix to another point of reference. The formalism is valid for any arc lenght up to a full circle. Title of program: CIRCLEFIT Catalogue Id: ACBZ_v1_0 Nature of problem Least squares parametrisation and error estimation of circular arc with measured points. Versions of this program held in the CPC repository in Mendeley Data ACBZ_v1_0; CIRCLEFIT; 10.1016/0010-4655(92)90134-K This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)