Second derivative

In calculus, the second derivative, or the second order derivative, of a function $f$ is the derivative of the derivative of $f$ . Roughly speaking, the second derivative measures how the rate of change of a quantity is itself changing; for example, the second derivative of the position of a vehicle with respect to time is the instantaneous acceleration of the vehicle, or the rate at which the velocity of the vehicle is changing with respect to time. In Leibniz notation:

单词	Second derivative
释义	Second derivative 英语百科 Second derivative In calculus, the second derivative, or the second order derivative, of a function $f$ is the derivative of the derivative of $f$ . Roughly speaking, the second derivative measures how the rate of change of a quantity is itself changing; for example, the second derivative of the position of a vehicle with respect to time is the instantaneous acceleration of the vehicle, or the rate at which the velocity of the vehicle is changing with respect to time. In Leibniz notation:
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