My Math Forum Obtaining angular velocity given linear velocity and center of rotation 3D

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 April 18th, 2014, 05:34 AM #1 Newbie   Joined: Apr 2014 From: Singapore Posts: 7 Thanks: 0 Obtaining angular velocity given linear velocity and center of rotation 3D Hi, Supposed I'm given linear velocity and center of rotation in 3D. Can I obtain the angular velocity? I tried using: v = w x r v (1x3 vector) = A (3x3 matrix) * w (1x3 vector) then take the inverse of the 3x3 matrix A and w = inv A * v But the inverse of A gave an error. Why is this so? Are there other ways? I have the linear velocity and xyz coordinates of its location. Thanks.

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