approximative algorithm

См. также в других словарях:

• Christofides algorithm — The goal of the Christofides heuristic algorithm (named after Nicos Christofides) is to find a solution to the instances of the traveling salesman problem where the edge weights satisfy the triangle inequality. Let G = (V,w) be an instance of TSP …   Wikipedia

• Minimum spanning tree — The minimum spanning tree of a planar graph. Each edge is labeled with its weight, which here is roughly proportional to its length. Given a connected, undirected graph, a spanning tree of that graph is a subgraph that is a tree and connects all… …   Wikipedia

• Cluster analysis — The result of a cluster analysis shown as the coloring of the squares into three clusters. Cluster analysis or clustering is the task of assigning a set of objects into groups (called clusters) so that the objects in the same cluster are more… …   Wikipedia

• Matrix (mathematics) — Specific elements of a matrix are often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A. In mathematics, a matrix (plural matrices, or less commonly matrixes)… …   Wikipedia

• Non-negative matrix factorization — NMF redirects here. For the bridge convention, see new minor forcing. Non negative matrix factorization (NMF) is a group of algorithms in multivariate analysis and linear algebra where a matrix, , is factorized into (usually) two matrices, and… …   Wikipedia

• Trennkreisverfahren — Das Trennkreisverfahren (engl. splitting circle method) ist eine Methode zum numerischen Faktorisieren von Polynomen in einer Variablen mit komplexen Koeffizienten. Dieses Verfahren wurde 1982 von Arnold Schönhage in dem Artikel The fundamental… …   Deutsch Wikipedia

• Splitting circle method — In mathematics, the splitting circle method is a numerical algorithm for the numerical factorization of a polynomial and, ultimately, for finding its complex roots. It was introduced by Arnold Schönhage in his 1982 paper The fundamental theorem… …   Wikipedia

• FastICA — is an efficient and popular algorithm for independent component analysis invented by Aapo Hyvärinen at Helsinki University of Technology. The algorithm is based on a fixed point iteration scheme maximizing non Gaussianity as a measure of… …   Wikipedia

• Algorithme de Grover — En informatique quantique, l´algorithme de Grover est un algorithme de recherche, permettant de rechercher un ou plusieurs éléments qui répondent à un critère donné parmi N éléments non classés en temps proportionnel à et avec un espace de… …   Wikipédia en Français

• Riemann hypothesis — The real part (red) and imaginary part (blue) of the Riemann zeta function along the critical line Re(s) = 1/2. The first non trivial zeros can be seen at Im(s) = ±14.135, ±21.022 and ±25.011 …   Wikipedia

• Alpha-Konversion — Der Lambda Kalkül ist eine formale Sprache zur Untersuchung von Funktionen, die Funktionsdefinitionen, das Definieren formaler, sowie das Auswerten und Einsetzen aktueller Parameter regelt. Inhaltsverzeichnis 1 Geschichte 2 Der untypisierte… …   Deutsch Wikipedia