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chain multiplication

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  • Matrix chain multiplication — is an optimization problem that can be solved using dynamic programming. Given a sequence of matrices, we want to find the most efficient way to multiply these matrices together. The problem is not actually to perform the multiplications, but… …   Wikipedia

  • Multiplication factor — may refer to: Neutron multiplication factor, in a nuclear chain reaction Multiplication factor, a term used in digital photography Multiplication factor or gas gain in gas ionization detectors used in Nuclear and Particle Physics. See also… …   Wikipedia

  • multiplication factor — or multiplication constant n. the ratio of the number of neutrons in a generation to the number of neutrons in the previous generation: when the multiplication factor is equal to or greater than one, a chain reaction is possible * * * …   Universalium

  • multiplication factor — or multiplication constant n. the ratio of the number of neutrons in a generation to the number of neutrons in the previous generation: when the multiplication factor is equal to or greater than one, a chain reaction is possible …   English World dictionary

  • multiplication — /ˌmʌltəpləˈkeɪʃən / (say .multuhpluh kayshuhn) noun 1. the act or process of multiplying. 2. the state of being multiplied. 3. Arithmetic the process of finding the number (the product) resulting from the addition of a given number (the… …  

  • multiplication factor — noun : the ratio of the number of neutrons produced in a nuclear pile to the number disappearing that must equal or exceed unity for a chain reaction to take place called also reproduction constant, reproduction factor …   Useful english dictionary

  • Matrix multiplication — In mathematics, matrix multiplication is a binary operation that takes a pair of matrices, and produces another matrix. If A is an n by m matrix and B is an m by p matrix, the result AB of their multiplication is an n by p matrix defined only if… …   Wikipedia

  • Nuclear chain reaction — A possible nuclear fission chain reaction. 1. A uranium 235 atom absorbs a neutron, and fissions into two new atoms (fission fragments), releasing three new neutrons and a large amount of binding energy. 2. One of those neutrons is absorbed by an …   Wikipedia

  • Addition-chain exponentiation — In mathematics and computer science, optimal addition chain exponentiation is a method of exponentiation by positive integer powers that requires a minimal number of multiplications. It works by creating a minimal length addition chain that… …   Wikipedia

  • Polymerase Chain Reaction — Réaction en chaîne par polymérase Pour les articles homonymes, voir PCR. Diagramme des 4 premiers cycles de la PCR La réaction en chaîne par polymérase (PCR est l abréviation an …   Wikipédia en Français

  • Addition chain — In mathematics, an addition chain is a sequence a 0, a 1, a 2, a 3, ... that satisfies: a 0 = 1, and :for each k >0: a k = a i + a j for some i , j < k .As an example: 1, 2, 3, 6, 12, 24, 30, 31 is an addition chain for 31, of length 7, since:2 …   Wikipedia

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