- Sektör: Technology
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The National Institute of Standards and Technology (NIST) — known between 1901 and 1988 as the National Bureau of Standards (NBS) — is a measurement standards laboratory and a non-regulatory agency of the United States Department of Commerce. The institute's official mission is to promote U.S. ...
A theoretical measure of the execution of an algorithm, usually the time or memory needed, given the problem size n, which is usually the number of items. Informally, saying some equation f(n) = Ω (g(n)) means it is more than some constant multiple of g(n). Formal Definition: f(n) = Ω (g(n)) means there are positive constants c and k, such that 0 ≤ cg(n) ≤ f(n) for all n ≥ k. The values of c and k must be fixed for the function f and must not depend on n.
Industry:Computer science
A total function which can be written using only nested conditional (if-then-else) statements and fixed iteration (for) loops.
Industry:Computer science
A transformation of one problem into another which is computable in polynomial time.
Industry:Computer science
A translation of an algorithm from one model of computation to another in which the work is the same in both models, to within a constant factor.
Industry:Computer science
A tree for multidimensional points where successive levels may be split along different dimensions.
Industry:Computer science
A tree for storing strings in which nodes are organized by substrings common to two or more strings.
Industry:Computer science
A tree for storing strings in which there is one node for every common prefix. The strings are stored in extra leaf nodes.
Industry:Computer science
A tree in which each node is split according to some subset of the key, typically a character.
Industry:Computer science
A tree in which every level, except possibly the deepest, is entirely filled. At depth n, the height of the tree, all nodes are as far left as possible.
Industry:Computer science
