英语词汇“saddle point”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	saddle point
释义	saddle point Mathematics noun 1A point at which a curved surface is locally level but at which its curvature in two directions differs in sign, i.e. for a surface defined by a function f of x and y, a point at which ∂f/∂x = ∂f/∂y = 0 and (∂2 f/∂x 2)(∂2 f/∂y 2) < 0. 2(In a zero-sum game) the joint outcome of the two parties following their unmixed optimal strategies, where these exist. Origin Early 20th century; earliest use found in American Journal of Mathematics.
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saddle point