linear congruential generator - определение. Что такое linear congruential generator
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Что (кто) такое linear congruential generator - определение

PSEUDORANDOM NUMBER GENERATOR
Linear Congruential Generators; Linear congruence generator; Linear congruential method; LCPRNG; Multiplicative congruential generator; Mixed congruential generator; Pure multiplicative generator; Linear congruent method; LCRNG; LCG (rng)

Combined linear congruential generator         
PSEUDO-RANDOM NUMBER GENERATOR ALGORITHM
Combined Linear Congruential Generator
A combined linear congruential generator (CLCG) is a pseudo-random number generator algorithm based on combining two or more linear congruential generators (LCG). A traditional LCG has a period which is inadequate for complex system simulation.
Electric generator         
  • Hydroelectric power station at [[Gabčíkovo Dam]], [[Slovakia]]
  • Protesters at [[Occupy Wall Street]] using bicycles connected to a motor and one-way diode to charge batteries for their electronics<ref>[http://cityroom.blogs.nytimes.com/2011/10/30/with-generators-gone-wall-street-protesters-try-bicycle-power/ With Generators Gone, Wall Street Protesters Try Bicycle Power], Colin Moynihan, ''New York Times'', 30 October 2011; accessed 2 November 2011</ref>
  • The [[Faraday disk]] was the first electric generator. The horseshoe-shaped magnet ''(A)'' created a magnetic field through the disk ''(D)''. When the disk was turned, this induced an electric current radially outward from the center toward the rim. The current flowed out through the sliding spring contact ''m'', through the external circuit, and back into the center of the disk through the axle.
  • alternating current generator]], c. 1900.
  • Early [[Ganz]] Generator in [[Zwevegem]], [[West Flanders]], [[Belgium]]
  •  R<sub>L</sub>, load resistance
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  • The [[Athlone Power Station]] in [[Cape Town]], [[South Africa]]
  • commutator]] needed for high power applications.
  • Mobile electric generator
  • kVA]] direct-driven power station AC alternator, with a separate belt-driven exciter generator.
  • [[Hippolyte Pixii]]'s dynamo. The commutator is located on the shaft below the spinning magnet.
DEVICE THAT CONVERTS OTHER ENERGY TO ELECTRICAL ENERGY
Generator (device); Electrical generators; Power unit; Electricity generator; Direct-current generator; Emergency vehicle generator; Energy generator; Electric generators; Turbine generator (TG); AC generator; Tachogenerator; Electric power generator; Electrical Generator; Electrical generator; DC Generator; Turbine generator; Energy generation; DC generator; Generator (electricity)
In electricity generation, a generatorAlso called electric generator, electrical generator, and electromagnetic generator. is a device that converts motive power (mechanical energy) into electric power for use in an external circuit.
Free-piston linear generator         
  • FPLG patent from 1943 - Pontus Ostenberg, USA by P. Ostenberg
Free pistol linear generator; FPLG
The free-piston linear generator (FPLG) uses chemical energy from fuel to drive magnets through a stator and converts this linear motion into electric energy. Because of its versatility, low weight and high efficiency, it can be used in a wide range of applications, although it is of special interest to the mobility industry as range extenders for electric vehicles.

Википедия

Linear congruential generator

A linear congruential generator (LCG) is an algorithm that yields a sequence of pseudo-randomized numbers calculated with a discontinuous piecewise linear equation. The method represents one of the oldest and best-known pseudorandom number generator algorithms. The theory behind them is relatively easy to understand, and they are easily implemented and fast, especially on computer hardware which can provide modular arithmetic by storage-bit truncation.

The generator is defined by the recurrence relation:

X n + 1 = ( a X n + c ) mod m {\displaystyle X_{n+1}=\left(aX_{n}+c\right){\bmod {m}}}

where X {\displaystyle X} is the sequence of pseudo-random values, and

m , 0 < m {\displaystyle m,\,0<m} — the "modulus"
a , 0 < a < m {\displaystyle a,\,0<a<m} — the "multiplier"
c , 0 c < m {\displaystyle c,\,0\leq c<m} — the "increment"
X 0 , 0 X 0 < m {\displaystyle X_{0},\,0\leq X_{0}<m} — the "seed" or "start value"

are integer constants that specify the generator. If c = 0, the generator is often called a multiplicative congruential generator (MCG), or Lehmer RNG. If c ≠ 0, the method is called a mixed congruential generator.: 4- 

When c ≠ 0, a mathematician would call the recurrence an affine transformation, not a linear one, but the misnomer is well-established in computer science.: 1