Critical point (mathematics)

（重定向自Critical number）

The abscissae of the red circles are stationary points; the blue squares are inflection points.

In mathematics, a critical point or stationary point of a differentiable function of a real or complex variable is any value in its domain where its derivative is 0 or undefined. For a differentiable function of several real variables, a critical point is a value in its domain where all partial derivatives are zero. The value of the function at a critical point is a critical value.

单词	Critical number
释义	Critical number 原声例句 2023年名人高校毕业演讲 And that the critical number that said, did your experiment work or not? 那个关键数字说，你的实验成功与否？英语百科 Critical point (mathematics) （重定向自Critical number） In mathematics, a critical point or stationary point of a differentiable function of a real or complex variable is any value in its domain where its derivative is 0 or undefined. For a differentiable function of several real variables, a critical point is a value in its domain where all partial derivatives are zero. The value of the function at a critical point is a critical value.
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