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单词 Time derivative
释义

Time derivative

中文百科

时间导数

时间导数(Time derivative)可用来表达函数时域自变量变化时如何确定函数值的瞬时变化率。记作:

 \frac{df(t)}{dt}


时间导数的概念在物理学中常有应用。

英语百科

Time derivative 时间导数

Relation between Cartesian coordinates (x,y) and polar coordinates (r,θ).

A time derivative is a derivative of a function with respect to time, usually interpreted as the rate of change of the value of the function. The variable denoting time is usually written as t\,.

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更新时间:2025/6/20 4:45:57