Last Updated
：2025/11/19
multiplicative identity
Noun
Japanese Meaning
乗法における恒等元。すなわち、代数体系において、乗法操作を行った際に、任意の元を変化させない特別な元（通常は1で表される）。
（ plural ）
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(algebra) An element of an algebraic structure, generally denoted 1, which is an identity for a multiplicative operation (generally denoted × or *, or by concatenation).
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multiplicative identity
In matrix algebra, the multiplicative identity is the identity matrix that leaves other matrices unchanged when multiplied.
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In matrix algebra, the multiplicative identity is the identity matrix that leaves other matrices unchanged when multiplied.
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