Fitting quadratic curves and surfaces

Fit ellipses, ellipsoids and other quadratic curves and surfaces to noisy data.

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Cite As

Levente Hunyadi (2026). Fitting quadratic curves and surfaces (https://ch.mathworks.com/matlabcentral/fileexchange/45356-fitting-quadratic-curves-and-surfaces), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.4.5

Eliminated functions that cause conflicts in recent versions of MATLAB (such as strjoin)

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1.4.0

Fixed an issue with 3D Taubin fit (contributed by Martti K).

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1.3.0

Included all external dependencies into a single package.

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1.2.0

Added automatic dependency check for Optimization Toolbox and suggestion which function to use when the toolbox is not installed.

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1.1.0

Improved numerical robustness for standard least-squares estimation of ellipsoid parameters.

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1.0.0

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