- first time derivative
- Кардиология: первая производная по времени (http://moscow-translator.ru)
Универсальный англо-русский словарь. Академик.ру. 2011.
first time derivative
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Time derivative — 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,.NotationA variety of notations are used to denote… … Wikipedia
Derivative (generalizations) — Derivative is a fundamental construction of differential calculus and admits many possible generalizations within the fields of mathematical analysis, combinatorics, algebra, and geometry. Derivatives in analysis In real, complex, and functional… … Wikipedia
Derivative — This article is an overview of the term as used in calculus. For a less technical overview of the subject, see Differential calculus. For other uses, see Derivative (disambiguation) … Wikipedia
Derivative work — L.H.O.O.Q. (1919). Derivative work by Marcel Duchamp based on the Mona Lisa (La Gioconda) by Leonardo da Vinci. Also known as The Mona Lisa With a Moustache. Often used by law professors to illustrate legal concept of derivative work. In United… … Wikipedia
Time-dependent density functional theory — (TDDFT) is a quantum mechanical method used inphysics and chemistry to investigate the proprieties of many body systems beyond the ground statestructure. It s an extension of density functional theory (DFT) to the time dependent domain asa method … Wikipedia
First class constraint — In Hamiltonian mechanics, consider a symplectic manifold M with a smooth Hamiltonian over it (for field theories, M would be infinite dimensional). Poisson bracketsSuppose we have some constraints : f i(x)=0, for n smooth functions :{ f i } {i=… … Wikipedia
derivative — derivatively, adv. derivativeness, n. /di riv euh tiv/, adj. 1. derived. 2. not original; secondary. n. 3. something derived. 4. Also called derived form. Gram. a form that has undergone derivation from anoth … Universalium
first derivative — noun the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx • Syn: ↑derived function, ↑derivative, ↑differential coefficient, ↑differential • Derivationally related forms: ↑differential … Useful english dictionary
Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… … Wikipedia
first derivative — Math. the derivative of a function: Velocity is the first derivative of distance with respect to time. Cf. second derivative. [1825 35] * * * … Universalium
Time constant — In physics and engineering, the time constant usually denoted by the Greek letter au , (tau), characterizes the frequency response of a first order, linear time invariant (LTI) system. Examples include electrical RC circuits and RL circuits. It… … Wikipedia
