Stability of Analytical and Numerical Solutions for Nonlinear Stochastic Delay Differential Equations with Jumps

Stability of Analytical and Numerical Solutions for Nonlinear Stochastic Delay Differential Equations with Jumps
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带跳跃的非线性随机时滞微分方程解析解和数值解的稳定性

DOI:
10.1155/2012/831082
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发表时间:
2012-02
影响因子:
--
通讯作者:
Gan, Siqing
Gan, Siqing
中科院分区:
--
文献类型:
--
作者:
Li, Qiyong;Gan, Siqing

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研究了带跳的非线性随机时滞微分方程解析解和数值解的稳定性。得到了精确解均方指数稳定的充分条件。然后,数值解的均方稳定性进行了研究。证明了补偿随机θ方法继承了精确解的稳定性。更准确地说,方法是均方稳定的任何步长时,他们是指数均方稳定的,如果步长时。最后,通过数值实验验证了理论分析的正确性.
This paper is concerned with the stability of analytical and numerical solutions for nonlinear stochastic delay differential equations (SDDEs) with jumps. A sufficient condition for mean-square exponential stability of the exact solution is derived. Then, mean-square stability of the numerical solution is investigated. It is shown that the compensated stochastic θ methods inherit stability property of the exact solution. More precisely, the methods are mean-square stable for any stepsize when , and they are exponentially mean-square stable if the stepsize when . Finally, some numerical experiments are given to illustrate the theoretical results.
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