How to get rotation matrix from 3d points?

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SOONMYUN JANG 2020-12-4

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https://ww2.mathworks.cn/matlabcentral/answers/678003-how-to-get-rotation-matrix-from-3d-points

评论： SOONMYUN JANG 2020-12-10

采纳的回答： Shadaab Siddiqie

I have 3 3d points and I need to find rotation matrix from these points.

P1(-401.428, 485.929, 772.921)

P2(-21.4433, 475.611, 772.511)

P3(-400.982, 483.56, 403.703)

How could I compute 3x3 rotation matrix? They are orthogonal. And I set P1 as a reference point.

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Shadaab Siddiqie 2020-12-7

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https://ww2.mathworks.cn/matlabcentral/answers/678003-how-to-get-rotation-matrix-from-3d-points#answer_567763

All the rotation matrix are orthogonal. To find rotation matrix for each axis please refer rotx. For more information about Matrix rotation refer this link.

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SOONMYUN JANG 2020-12-10

I got it. Thank you!

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