approximation+number

См. также в других словарях:

• approximation — ap‧prox‧i‧ma‧tion [əˌprɒksˈmeɪʆn ǁ əˌprɑːk ] noun [countable] 1. a number, amount etc that is not exact, but is intended to give an idea of the real number, amount etc: • The figures are meant to be an approximation of the costs. 2. something… …   Financial and business terms

• Approximation — An approximation (represented by the symbol ≈) is an inexact representation of something that is still close enough to be useful. Although approximation is most often applied to numbers, it is also frequently applied to such things as… …   Wikipedia

• Approximation theory — In mathematics, approximation theory is concerned with how functions can best be approximated with simpler functions, and with quantitatively characterizing the errors introduced thereby. Note that what is meant by best and simpler will depend on …   Wikipedia

• Approximation in algebraic groups — In mathematics, strong approximation in linear algebraic groups is an important arithmetic property of matrix groups. In rough terms, it explains to what extent there can be an extension of the Chinese remainder theorem to various kinds of… …   Wikipedia

• Number theory — A Lehmer sieve an analog computer once used for finding primes and solving simple diophantine equations. Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers (the… …   Wikipedia

• approximation — ap|prox|i|ma|tion [əˌprɔksıˈmeıʃən US əˌpra:k ] n [U and C] 1.) a number, amount etc that is not exact, but is almost correct = ↑estimate approximation of ▪ an approximation of the total number a rough/crude approximation (=one that is not very… …   Dictionary of contemporary English

• Approximation error — The approximation error in some data is the discrepancy between an exact value and some approximation to it. An approximation error can occur because the measurement of the data is not precise due to the instruments. (e.g., the accurate reading… …   Wikipedia

• approximation — [[t]əprɒ̱ksɪme͟ɪʃ(ə)n[/t]] approximations 1) N COUNT: oft N of/to n An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same. That is a fair approximation of the way in which the… …   English dictionary

• approximation — UK [əˌprɒksɪˈmeɪʃ(ə)n] / US [əˌprɑksɪˈmeɪʃ(ə)n] noun [countable/uncountable] Word forms approximation : singular approximation plural approximations 1) a nearly exact calculation, amount, number, time etc approximation of: I can only give you an… …   English dictionary

• approximation — ap|prox|i|ma|tion [ ə,praksı meıʃn ] noun count or uncount 1. ) a nearly exact calculation, amount, number, time, etc.: approximation of: I can only give you an approximation of the cost. 2. ) something that is similar to something else but is… …   Usage of the words and phrases in modern English

• approximation — noun (C, U) 1 a number, amount etc that is not exact, but is almost correct: rough approximation (=not exact at all): Could you give us a rough approximation of the likely cost? 2 something that is similar to another thing, but not exactly the… …   Longman dictionary of contemporary English