derivation
[deriva(ɑ)sjɔ̃]
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f.
引水,分流;〈语〉派生法;〈电〉分路;〈数〉求导
Derivation
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abstract:
In abstract algebra, a derivation is a function on an algebra which generalizes certain features of the derivative operator. Specifically, given an algebra A over a ring or a field K, a K-derivation is a K-linear map D: A → A that satisfies Leibniz's law:
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WordNet