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liorsinai.github.io | ||
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www.appletonaudio.com
[AI summary] The text discusses various aspects of rotation matrices, including their definition, application in rotating vectors, eigenvalues and eigenvectors, and their relation to matrix exponentials. It also touches on algorithms like QR decomposition and the academic use of rotations to map vectors. |
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entangledlogs.com
To visualize quaternions in the fanciest way, visit Ben eater, Quaternion. Euler angles suffer from a problem of gimbal lock. When rotating around a 3-perpendicular axis in euclidean space, if either two of these axes align i.e becomes parallel, it causes gimbal lock. Once the object is locked, the object will lose one degree of freedom for rotation. This video provides an intuitive explanation of the problem. Pitfalls When converting the Euler angle to a quaternion, it will lose some information. |
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thenumb.at
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algassert.com
Craig Gidney's computer science blog |
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