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基于转移概率矩阵的生灭过程拟平稳分布新求解

New Method for the Quasi - stationary Distribution of the Birth - death Process Based on Transfer Matrix
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摘要 针对生灭过程拟平稳分布的求解问题,本文提出了一种新的基于状态概率矩阵的求解方法.该方法利用生灭过程的状态变化特点及拟平稳分布的性质,通过Kolmogorov向前方程得到了生灭过程拟平稳分布的迭代解析式;并且根据纯灭过程自身状态变化特点,由Perron-Frobenius特征值特征变化求解了纯灭过程拟平稳分布的解析式.与以往利用收敛范数的方法相比,新方法降低了求解拟平稳分布的难度,具有一定的推广价值. To solve the quasi-stationary,a new algorithm based on transfer matrix is presented.The quasi-stationary interative solution of the birth-death process is obtained through the Kolmogorov forward equation.Then the quasi-stationary analytical expression of the death process is put forward with the Perron-Frobenius eigenvalues of the submatrices of P.The result is simpler,reasonable and practical.
出处 《佳木斯大学学报(自然科学版)》 CAS 2013年第4期602-604,共3页 Journal of Jiamusi University:Natural Science Edition
关键词 生灭过程 拟平稳分布 C-K方程 特征值 birth-death process quasi-stationary distribution C—K equation penalty parameter
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参考文献9

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二级参考文献1

  • 1P. K.Pollett (1986) On the Equivalence of -invariant Measures for the Minimal Process and its q-matrix[].Stochastic Processes and Their Applications.

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