index matching

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• Index-matching material — In optics and fiber optics, an index matching material is a substance, usually a liquid, cement (adhesive), or gel, which has an index of refraction that closely approximates that of an optical element or fiber, and is used to reduce Fresnel… …   Wikipedia

• matching — index agreed (harmonized), analogous, coequal, commensurable, commensurate, comparable (equivalent) …   Law dictionary

• Matching (graph theory) — In the mathematical discipline of graph theory, a matching or independent edge set in a graph is a set of edges without common vertices. It may also be an entire graph consisting of edges without common vertices. Covering packing dualities… …   Wikipedia

• Index (search engine) — Search engine indexing collects, parses, and stores data to facilitate fast and accurate information retrieval. Index design incorporates interdisciplinary concepts from linguistics, cognitive psychology, mathematics, informatics, physics, and… …   Wikipedia

• Matching polynomial — In graph theory and combinatorics, both fields within mathematics, a matching polynomial (sometimes called an acyclic polynomial) is a generating function of the numbers of matchings of various sizes in a graph. Contents 1 Definition 2… …   Wikipedia

• Matching-Hypothese — Die Matching Hypothese besagt, dass Individuen, die soziale Beziehungen eingehen, darauf achten, dass die Anziehungskraft des Partners (durch Aussehen, Status, Reichtum etc.) mit der eigenen vergleichbar ist. Die beiden Personen besitzen so eine… …   Deutsch Wikipedia

• Index (database) — A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of slower writes and increased storage space. Indexes can be created using one or more columns of a database table,… …   Wikipedia

• Index of coincidence — In cryptography, coincidence counting is the technique (invented by William F. Friedman[1]) of putting two texts side by side and counting the number of times that identical letters appear in the same position in both texts. This count, either as …   Wikipedia

• index futures — A futures contract on a financial futures market, such as the London International Financial Futures and Options Exchange, which offers facilities for trading in futures and options on a financial index. On the FTSE 100 Index (see Financial Times …   Big dictionary of business and management

• Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… …   Wikipedia

• Chromatischer Index — Dieses Stichwortverzeichnis enthält kurze Definitionen und Erklärungen zu den wichtigsten graphentheoretischen Begriffen. A Abstand Siehe: Distanz. Achromatische Zahl Die achromatische Zahl ψ(G) eines Graphen G ist die größte Zahl k, für die G… …   Deutsch Wikipedia