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 .
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Famous quotes containing the words time and/or derivative:
“I never understood exactly why people get engaged—The only time I ever did the most disastrous things happened—but I feel that there’s a great deal to be said for immediate matrimony always. If I once got started I’d probably have to become a mormon to cover my confusion. What I mean is that if he and she are crazy about each other it is sheer tempting God to stay apart, come what may. And if people arent crazy about each other being engaged wont help them.”
—John Dos Passos (1896–1970)
“When we say “science” we can either mean any manipulation of the inventive and organizing power of the human intellect: or we can mean such an extremely different thing as the religion of science the vulgarized derivative from this pure activity manipulated by a sort of priestcraft into a great religious and political weapon.”
—Wyndham Lewis (1882–1957)