英语词汇“formal derivative”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	formal derivative
释义	formal derivative formal derivative [‚fȯrm·əl də′riv·əd·iv] (mathematics) For a polynomial, a_n x ⁿ+ a_n-1 x ^n-1t⋯ + a₁ x + a₀, where the coefficients a₀, a₁,⋯, a_nare elements of a ring, the formal derivative is the polynomial na_n x ^n-1+ (n-1) a_n-1 x ^n-2t … + a₁.
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