circle_fit (by Matrix inversion)

Version 1.0.0 (1.27 KB) by soo-choon kang
Really simple but robust circle fit
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Updated 17 Jun 2020

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much simpler circle fit method by using matrix inversion. We formulate the circle equation as follows:

x^2+y^2 = ay+bx+c

find a,b,c using matrix inversion to minimize RMSerror
xo = b/2
yo = a/2
r^2 = c+a^2/4+b^2/4

Cite As

soo-choon kang (2025). circle_fit (by Matrix inversion) (https://se.mathworks.com/matlabcentral/fileexchange/77022-circle_fit-by-matrix-inversion), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2020a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0