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Saddle Point -- from Wolfram MathWorld
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日期:2024-05-12
A point of a function or surface which is a stationary point but not an extremum. An example of a one-dimensional function with a saddle point is f(x)=x^3, which has f^'(x) = 3x^2 (1) f^('')(x) = 6x (2) f^(''')(x) = 6. (3) This function has a saddle point...看更多