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  1. Quaternion - Wikipedia

    The scalar quaternions commute with all other quaternions, that is aq = qa for every quaternion q and every scalar quaternion a. In algebraic terminology this is to say that the field of the scalar …

  2. Quaternion | Rotations, Hypercomplex Numbers, Algebra | Britannica

    Dec 20, 2025 · Quaternion, in algebra, a generalization of two-dimensional complex numbers to three dimensions. Quaternions and rules for operations on them were invented by Irish mathematician Sir …

  3. Quaternion -- from Wolfram MathWorld

    The quaternions are members of a noncommutative division algebra first invented by William Rowan Hamilton.

  4. On October 16th, 1843, while walking with his wife to a meeting of the Royal Society of Dublin, Hamilton discovered a 4-dimensional division algebra called the quaternions:

  5. Quaternion - Encyclopedia of Mathematics

    Jun 7, 2020 · Quaternions were historically the first example of a hypercomplex system, arising from attempts to find a generalization of complex numbers. Complex numbers are depicted geometrically …

  6. Quaternions - Oregon State University

    The quaternions were discovered by Sir William Rowan Hamilton in 1843, after struggling unsuccessfully to construct an algebra in three dimensions. On 16 October 1843, as Hamilton was walking along a …

  7. Maths - Quaternions - Martin Baker - EuclideanSpace

    Quaternions form an interesting algebra where each object contains 4 scalar variables (sometimes known as Euler Parameters not to be confused with Euler angles), these objects can be added and …

  8. Quaternion Explained

    In modern terms, quaternions form a four-dimensional associative normed division algebra over the real numbers, and therefore a ring, also a division ring and a domain. It is a special case of a Clifford …

  9. Quaternions Intro - SB Blog

    Quaternions are just extensions of complex numbers. They have Real part - R e (q) and Imaginary part - I m (q) but instead of 1, there are 3 imaginary symbols (i, j, k).

  10. QUATERNION Definition & Meaning | Dictionary.com

    QUATERNION definition: a group or set of four persons or things. See examples of quaternion used in a sentence.