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  2. M/G/k queue - Wikipedia

    en.wikipedia.org/wiki/M/G/k_queue

    Tijms et al. believe it is "not likely that computationally tractable methods can be developed to compute the exact numerical values of the steady-state probability in the M/G/k queue." [ 2 ] Various approximations for the average queue size, [ 3 ] stationary distribution [ 4 ] [ 5 ] and approximation by a reflected Brownian motion [ 6 ] [ 7 ...

  3. Examples of Markov chains - Wikipedia

    en.wikipedia.org/wiki/Examples_of_Markov_chains

    A finite-state machine can be used as a representation of a Markov chain. Assuming a sequence of independent and identically distributed input signals (for example, symbols from a binary alphabet chosen by coin tosses), if the machine is in state y at time n , then the probability that it moves to state x at time n + 1 depends only on the ...

  4. M/G/1 queue - Wikipedia

    en.wikipedia.org/wiki/M/G/1_queue

    Markov chains with generator matrices or block matrices of this form are called M/G/1 type Markov chains, [13] a term coined by Marcel F. Neuts. [ 14 ] [ 15 ] An M/G/1 queue has a stationary distribution if and only if the traffic intensity ρ = λ E ( G ) {\displaystyle \rho =\lambda \mathbb {E} (G)} is less than 1, in which case the unique ...

  5. Heat equation - Wikipedia

    en.wikipedia.org/wiki/Heat_equation

    The steady-state heat equation for a volume that contains a heat source (the inhomogeneous case), is the Poisson's equation: − k ∇ 2 u = q {\displaystyle -k\nabla ^{2}u=q} where u is the temperature , k is the thermal conductivity and q is the rate of heat generation per unit volume.

  6. Markov chain - Wikipedia

    en.wikipedia.org/wiki/Markov_chain

    Notice that the general state space continuous-time Markov chain is general to such a degree that it has no designated term. While the time parameter is usually discrete, the state space of a Markov chain does not have any generally agreed-on restrictions: the term may refer to a process on an arbitrary state space. [15]

  7. Discrete-time Markov chain - Wikipedia

    en.wikipedia.org/wiki/Discrete-time_Markov_chain

    A Markov chain with two states, A and E. In probability, a discrete-time Markov chain (DTMC) is a sequence of random variables, known as a stochastic process, in which the value of the next variable depends only on the value of the current variable, and not any variables in the past.

  8. Detailed balance - Wikipedia

    en.wikipedia.org/wiki/Detailed_balance

    A Markov process is called a reversible Markov process or reversible Markov chain if there exists a positive stationary distribution π that satisfies the detailed balance equations [13] =, where P ij is the Markov transition probability from state i to state j, i.e. P ij = P(X t = j | X t − 1 = i), and π i and π j are the equilibrium probabilities of being in states i and j, respectively ...

  9. Steady state - Wikipedia

    en.wikipedia.org/wiki/Steady_state

    Steady state determination is an important topic, because many design specifications of electronic systems are given in terms of the steady-state characteristics. Periodic steady-state solution is also a prerequisite for small signal dynamic modeling. Steady-state analysis is therefore an indispensable component of the design process.

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