exact mean
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Mean field theory — (MFT, also known as self consistent field theory) is a method to analyse physical systems with multiple bodies. A many body system with interactions is generally very difficult to solve exactly, except for extremely simple cases (random field… … Wikipedia
Exact sciences (The) in Hellenistic times: texts and issues — The exact sciences in Hellenistic times: Texts and issues1 Alan C.Bowen Modern scholars often rely on the history of Greco Latin science2 as a backdrop and support for interpreting past philosophical thought. Their warrant is the practice… … History of philosophy
Mean value theorem — For the theorem in harmonic function theory, see Harmonic function#Mean value property. Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus Derivative Change of variables … Wikipedia
exact — ex|act1 S3 [ıgˈzækt] adj [Date: 1500 1600; : Latin; Origin: exactus, past participle of exigere; EXACT2] 1.) completely correct in every detail ▪ Police are still investigating the exact cause of the accident. ▪ What were his exact words? ▪ The… … Dictionary of contemporary English
Exact test — In statistics, an exact (significance) test is a test where all assumptions upon which the derivation of the distribution of the test statistic is based are met, as opposed to an approximate test, in which the approximation may be made as close… … Wikipedia
exact — [[t]ɪgzæ̱kt[/t]] ♦♦ exacts, exacting, exacted 1) ADJ GRADED: usu ADJ n Exact means correct in every detail. For example, an exact copy is the same in every detail as the thing it is copied from. I don t remember the exact words... The exact… … English dictionary
Mean time — Time Time, n.; pl. {Times}. [OE. time, AS. t[=i]ma, akin to t[=i]d time, and to Icel. t[=i]mi, Dan. time an hour, Sw. timme. [root]58. See {Tide}, n.] 1. Duration, considered independently of any system of measurement or any employment of terms… … The Collaborative International Dictionary of English
exact science — N SING: usu with brd neg If you say that a particular activity is not an exact science, you mean that there are no set rules to follow or it does not produce very accurate results. Forecasting floods is not an exact science … English dictionary
Dynamical mean field theory — (DMFT) is a method to determine the electronic structure of strongly correlated materials. In such materials, the approximation of independent electrons, which is used in Density Functional Theory and usual band structure calculations, breaks… … Wikipedia
Regression toward the mean — In statistics, regression toward the mean (also known as regression to the mean) is the phenomenon that if a variable is extreme on its first measurement, it will tend to be closer to the average on a second measurement, and a fact that may… … Wikipedia
cor|rect´ly — cor|rect «kuh REHKT», adjective, verb. –adj. 1. free from mistakes or faults; true; right: »He gave the correct answer. 2. agreeing with a good standard of taste; proper: »correct manners, correct dress. 3. conforming to an accepted standard,… … Useful english dictionary
