- 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. ...
The first diminishing increment sort. On each pass i sets of n/i items are sorted, typically with insertion sort. On each succeeding pass, i is reduced until it is 1 for the last pass. A good series of i values is important to efficiency.
Industry:Computer science
The gamma function of n, written Γ(n), is ∫ <sub>0</sub><sup>∞</sup> e<sup>-x</sup>x<sup>n-1</sup>dx. Recursively Γ(n+1) = nΓ(n). For non-negative integers Γ(n+1) = n!.
Industry:Computer science
The generalized distance between two points. In a plane with point p<sub>1</sub> at (x<sub>1</sub>, y<sub>1</sub>) and p<sub>2</sub> at (x<sub>2</sub>, y<sub>2</sub>), it is (
Industry:Computer science
The generalized distance between two points. In a plane with point p<sub>1</sub> at (x<sub>1</sub>, y<sub>1</sub>) and p<sub>2</sub> at (x<sub>2</sub>, y<sub>2</sub>), it is (
Industry:Computer science
The Greek letter written as "o" or "O" for denoting little-o notation and big-O notation respectively. Little-o notation denotes 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. The big-O notation denotes 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.
Industry:Computer science
The highest possible use of resources of an algorithm, which occurs for the most pessimistic, or worst possible, input.
Industry:Computer science
The intersection of two sets is a set having those members which are in both sets.
Industry:Computer science
The intrinsic minimum amount of resources, for instance, memory, time, messages, etc., needed to solve a problem or execute an algorithm.
Industry:Computer science
