quaternion

IPA: kwˈɑtɝnjʌn

A group or set of four people or things.
A word of four syllables.
(mathematics) A type of four-dimensional hypercomplex number consisting of a real part and three imaginary parts (real multiples of distinct, independent square roots of −1 denoted by i, j and k); commonly used in vector mathematics and as an alternative to matrix algebra in calculating the rotation of three-dimensional objects.

Examples of "quaternion" in Sentences

Quaternion algebra construction.
Product of two right quaternion.
Quaternion arithmetic in practice.
Recall the quaternion conjugation .
Proof of the quaternion rotation identity.
A unit quaternion is a quaternion of norm one.
A 'unit quaternion' is a quaternion of norm one.
Or that a vector is the imaginary part of a quaternion.
Denoting the versor of a quaternion by Right quaternion.
Hamilton could not resist the impulse to carve the formulae for the quaternions.