identity function
A French family name
(mathematics) A function whose value is always the same as its independent variable, and for which the codomain equals the domain.
present participle of facultise
(medicine) A dangerous form of bacterial meningitis caused by capsular group W.
線形代数では、恒等写像は各ベクトルをそれ自身に写し、合成における単位元として働きます。
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DiQt
Free
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