Versor

Versors are an algebraic parametrisation of rotations. In classical quaternion theory a versor is a quaternion of norm one (a unit quaternion).

Each versor has the form

where the r = −1 condition means that r is a 3-dimensional unit vector. In case a = π/2, the versor is termed a right versor.

单词	Versor
释义	Versor 英语百科 Versor Versors are an algebraic parametrisation of rotations. In classical quaternion theory a versor is a quaternion of norm one (a unit quaternion). Each versor has the form where the r = −1 condition means that r is a 3-dimensional unit vector. In case a = π/2, the versor is termed a right versor.
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