- 行业: 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 corner point of a polyhedron. More formally, a point which cannot be expressed as a convex combination of other points in the polyhedron.
Industry:Computer science
A curve representing the limit of a function. That is, the distance between a function and the curve tends to zero. The function may or may not intersect the bounding curve.
Industry:Computer science
A data structure and associated algorithms primarily to search for points defined in multidimensional space.
Industry:Computer science
A data structure equivalent to a binary tree that is "opened" so that some node is accessible. It consists of a pair: the current node, along with information to reconstruct the tree. Reconstruction information is called the path or context. A move-to-left-child operation returns the left subtree, along with a new path, which has (i) a Left value, (ii) the current node, (iii) the right subtree, and (iv) any previous path. A similar operation moves to the right child. A move-up operation returns a tree rebuilt from the path information and the current node, along with the previous path.
Industry:Computer science
A data structure in which items may be added to or deleted from the head or the tail.
Industry:Computer science
A data structure in which items may be added to or deleted from the head or the tail.
Industry:Computer science
A data structure that is efficient even when accessing most of the data is very slow, such as, on a disk.
Industry:Computer science
A data structure that is only changed by external threads or processes, in contrast to an active data structure.
Industry:Computer science
A data structure that is partially composed of smaller or simpler instances of the same data structure. For instance, a tree is composed of smaller trees (subtrees) and leaf nodes, and a list may have other lists as elements.
Industry:Computer science
A data structure that preserves its old versions, that is, previous versions may be queried in addition to the latest version.
Industry:Computer science
