fit ellipse on 3D data points

8 Dec 2011
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Hi all,
I need to fit an ellipse or circle through 3D data points. Algorithms on the file exchange just fit ellipse/circles on 2D data points, or ellipsoids on 3D data. Does anyone have a clue on how to fit ellipses to 3D data?
regards, Arjan

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Sven
Sven on 8 Dec 2011
Can you just try:
Step 1: Fit a plane to your points.
Step 2: Project your points onto that plane.
Step 3: Use the 2D algorithms listed on the FEX

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Arjan
Arjan
on 8 Dec 2011

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