I have two triangles in 3d. I need to calculate transformation matrix(3X3) between two triangles in 3D.(adsbygoogle = window.adsbygoogle || []).push({});

1)How can I calculate the transformation matrix(rigid) while fixing one of the points to the origin(to get rid of the translation part)?

2)How does it affect if the deformation is non rigid?

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# Estimating 3d transformation of two triangles

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