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

单词	directional derivative
释义	WordReference Random House Unabridged Dictionary of American English © 2024 direc′tional deriv′ative, [Math.] Mathematicsthe limit, as a function of several variables moving along a given line from one specified point to another on the line, of the difference in the functional values at the two points divided by the distance between the points.
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