Circle fit

Fit a circle to a set of measured x,y points.
28.3K Downloads
Updated 29 Jul 2004

View License

Editor's Note: This file was selected as MATLAB Central Pick of the Week

Revival of a 14 years old code (written in 1991 for MATLAB 2.x).

Given a set of measured x,y pairs that a re supposed to reside on a circle, but with some added noise. A circle to these points, i.e. find xc,yc,R, such that (x-xc)^2+(y-yc)^2=R^2

The method minimizes the sum of squared radial deviations.

Cite As

Izhak Bucher (2024). Circle fit (https://www.mathworks.com/matlabcentral/fileexchange/5557-circle-fit), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R10
Compatible with any release
Platform Compatibility
Windows macOS Linux

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!
Version Published Release Notes
1.0.0.0