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upper bound

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson 0.02 sec.
upper bound [¦əp·ər ′bau̇nd]
(mathematics)
IfSis a subset of an ordered setA, an upper boundbforSinAis an elementbofAsuch thatx≤bfor allxbelonging toA.
An upper bound on a function ƒ with values in a partially ordered setAis an element ofAwhich is larger than every element in the range of ƒ.
upper bound - An upper bound of two elements x and y under some relation <= is an element z such that x <= z and y <= z.

("<=" is written in LaTeX as \sqsubseteq).

See also least upper bound.


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First, the Fed should not treat the lower bound of its inflation reference range of 1 to 2 percent more rigidly than they treat the upper bound.
Three ideas for the Fed: seeking new ways to measure inflation by Sumerlin, Marc / The International Economy
The upper bound of the 95th percentile estimate was 100 ng/mL.
Historical comparison of perfluorooctanesulfonate, ... by Mandel, Jeffrey H. / Environmental Health Perspectives
In addition, the theoretical upper bound of the DD metric indicates the highest level of risk with no anticipated success (guaranteed failure), and is assigned a value of 1.
A performance-based technology assessment methodology to support DoD ... by Tippett, Donald / Defense A R Journal
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