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The 28 pages that link to Rotation matrix, each with the reason it gives.
Rigid bodyRelated: It represents orientation while preserving lengths and angles.
Axis of rotationRelated: Its entries can encode a rotation around a specified axis.
Imaginary unitRelated: Multiplication by i acts on the complex plane as a 90-degree rotation.
Robot kinematicsRelated: It represents the orientation component of a link or end-effector pose.
Moiré patternRelated: Relative rotation changes the orientation and spacing of moiré fringes.
Rotation (geometry)Related: Multiplying coordinates by it computes a planar rotation.
Rotation groupRelated: Matrices provide a concrete way to calculate and compose rotations.
Imaginary numberRelated: Multiplication by i acts as a 90-degree rotation in the complex plane.