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exact algorithm

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  • Algorithm — Flow chart of an algorithm (Euclid s algorithm) for calculating the greatest common divisor (g.c.d.) of two numbers a and b in locations named A and B. The algorithm proceeds by successive subtractions in two loops: IF the test B ≤ A yields yes… …   Wikipedia

  • Algorithm characterizations — The word algorithm does not have a generally accepted definition. Researchers are actively working in formalizing this term. This article will present some of the characterizations of the notion of algorithm in more detail. This article is a… …   Wikipedia

  • Exact cover — In mathematics, given a set X and a collection mathcal{S} of subsets of X , an exact cover mathcal{S}^* is a subcollection of mathcal{S} such that every element in X is contained in exactly one set in mathcal{S}^*. An exact cover is a kind of… …   Wikipedia

  • Root-finding algorithm — A root finding algorithm is a numerical method, or algorithm, for finding a value x such that f(x) = 0, for a given function f. Such an x is called a root of the function f. This article is concerned with finding scalar, real or complex roots,… …   Wikipedia

  • Kahan summation algorithm — In numerical analysis, the Kahan summation algorithm (also known as compensated summation) significantly reduces the numerical error in the total obtained by adding a sequence of finite precision floating point numbers, compared to the obvious… …   Wikipedia

  • Knuth's Algorithm X — Donald Knuth s Algorithm X is a recursive, nondeterministic, depth first, backtracking algorithm that finds all solutions to the exact cover problem represented by a matrix A consisting of 0s and 1s.The goal is to select a subset of the rows so… …   Wikipedia

  • Gillespie algorithm — The Gillespie algorithm generates a statistically correct trajectory (possible solution) of a stochastic equation. It was developed and published by Dan Gillespie in 1977 to simulate chemical or biochemical systems of reactions efficiently and… …   Wikipedia

  • Rete algorithm — The Rete algorithm is an efficient pattern matching algorithm for implementing production rule systems. The Rete algorithm was designed by Dr Charles L. Forgy of Carnegie Mellon University, first published in a working paper in 1974, and later… …   Wikipedia

  • Bitap algorithm — The bitap algorithm (also known as the shift or, shift and or Baeza Yates Gonnet algorithm) is a fuzzy string searching algorithm developed by Udi Manber and Sun Wu in 1991ref|Manber91ref|Manber92 based on work done by Ricardo Baeza Yates and… …   Wikipedia

  • Approximation algorithm — In computer science and operations research, approximation algorithms are algorithms used to find approximate solutions to optimization problems. Approximation algorithms are often associated with NP hard problems; since it is unlikely that there …   Wikipedia

  • VEGAS algorithm — The VEGAS algorithm, due to G. P. Lepage, is a method for reducing error in the Monte Carlo simulation by using a known or approximate probability distribution function to concentrate the search in those areas of the graph that make the greatest… …   Wikipedia

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