Difference between revisions of "Q"
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<div id="quaternions"></div>'''Quaternions'''<br /> | <div id="quaternions"></div>'''Quaternions'''<br /> | ||
| − | 130; In mathematics, quaternions are a non-commutative extension of complex numbers. They were first described by the Irish mathematician [[ATD-H#hamilton|Sir William Rowan Hamilton]] in 1843 and applied to mechanics in three-dimensional space. At first, quaternions were regarded as pathological, because they disobeyed the commutative law ab = ba. Although they have been superseded in most applications by vectors, they still find uses in both theoretical and applied mathematics, in particular for calculations involving three-dimensional rotations; 131; 156; | + | 130; In mathematics, quaternions are a non-commutative extension of complex numbers. They were first described by the Irish mathematician [[ATD-H#hamilton|Sir William Rowan Hamilton]] in 1843 and applied to mechanics in three-dimensional space. At first, quaternions were regarded as pathological, because they disobeyed the commutative law ab = ba. Although they have been superseded in most applications by vectors, they still find uses in both theoretical and applied mathematics, in particular for calculations involving three-dimensional rotations; 131; 156; [http://en.wikipedia.org/wiki/Quaternion Wikipedia entry] |
'''Querkel'''<br /> | '''Querkel'''<br /> | ||
Revision as of 22:30, 8 November 2006
Quaternions130; In mathematics, quaternions are a non-commutative extension of complex numbers. They were first described by the Irish mathematician Sir William Rowan Hamilton in 1843 and applied to mechanics in three-dimensional space. At first, quaternions were regarded as pathological, because they disobeyed the commutative law ab = ba. Although they have been superseded in most applications by vectors, they still find uses in both theoretical and applied mathematics, in particular for calculations involving three-dimensional rotations; 131; 156; Wikipedia entry
Querkel
45; detective at White City Investigations
Against the Day Alpha Guide
