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Related to Almost equal to: approximation


A result that is not exact but is near enough to the correct result for some specified purpose.
A procedure for obtaining such a result.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



replacement of certain mathematical objects by others which are in one sense or another close to the initial objects. Approximation makes it possible to study the numerical characteristics and qualitative properties of the object, reducing the problem to a study of simpler or more convenient objects—for example, objects whose characteristics are easily computed or whose properties are already known. The theory of numbers studies Diophantine approximations—in particular, approximations of irrational numbers by rational numbers. Approximations of curves, surfaces, spaces, and mappings are investigated in geometry and topology. Some branches of mathematics are wholly devoted to approximations, as, for example, the approximation and interpolation of functions and numerical methods of analysis. The role of approximation in mathematics is continually growing. Presently, approximation can be viewed as one of the basic concepts of mathematics.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The new parliament is scheduled to hold its inaugural session next month and it is widely expected that Odai will be its speaker, a position viewed in Iraq as almost equal to that of prime minister, a post now held by Saddam himself.
"With American Dream's Federally-insured programs, applicants can get financing almost equal to the value of their home," said Hochman.
In each of the four "test cases" which Olaniyan presents, he reveals a strength almost equal to his theoretical powers: He is such a brilliant close reader of texts that one wishes for a richer and more detailed demonstration of this skill.
A Hutchinson spokesperson said his proposal was "more an issue of equity." She cited the example of the Whitney Museum, saying that it received a grant last year, $400,000, almost equal to the Arkansas Arts Council's $410,000 grant.
Thus, total property taxes of 37% were almost equal to the 38% paid in income taxes.
'This 2 tbps is almost equal to the current combined capacity of Globe and Smart PLDT,' Rio said during the ceremonial signing of the agreement, referring to the two telco giants who currently dominate the industry amid consumer complaints about turtle-paced internet speed in the country.
* Keep nozzles short with a wide flow path almost equal to the sprue diameter.