四元数
日本語
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四元数
Where it comes from
4つの項によって構成される数であることから。
noun
- 複素数を拡張した概念。実数a,b,c,dとi²=j²=k²=ijk=-1を満たす3つの虚数単位を用いて、ai+bj+ck+dの形に表される。
In English
- quaternion a four-dimensional hypercomplex number
Talk about this word "四元数." Wiktionary, via Micwyn, micwyn.com/word/ja/%E5%9B%9B%E5%85%83%E6%95%B0. Accessed 7 Nov. 2026. 四元数. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/ja/%E5%9B%9B%E5%85%83%E6%95%B0 "四元数." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/ja/%E5%9B%9B%E5%85%83%E6%95%B0.Cite this
@misc{micwyn_2026,
title = {四元数},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/ja/%E5%9B%9B%E5%85%83%E6%95%B0},
urldate = {2026-11-07}
}
