Numerical solution and simulation of random differential equations with Wiener and compound Poisson Processes
Subject Areas : Statistics
1 - Department of Applied Mathematics, Faculty of Science, Razi University, Kermanshah, Iran
2 - Department of Applied Mathematics, Faculty of Science, Razi University, Kermanshah, Iran
Keywords: مرتبه همگرایی, فرایند پواسون مرکب, روش تیلور تصادفی, معادلات دیفرانسیل رندم, معادلات رندم آفین,
Abstract :
Ordinary differential equations(ODEs) with stochastic processes in their vector field, have lots of applications in science and engineering. The main purpose of this article is to investigate the numerical methods for ODEs with Wiener and Compound Poisson processes in more than one dimension. Ordinary differential equations with Ito diffusion which is a solution of an Ito stochastic differential equation will be considered. Because for the numerical solution of these equations we need the simulation of stochastic double integrals, we explain the simulation of these integrals in more details. Also one-step and multi steps methods for the solution of affine random ordinary equations (RODEs) which are an important class of RODEs will be considered. The numerical solution of these equations with Wiener and Compound Poisson processes will be established. Two methods for simulation of the double integrals will be explained, and some numerical examples are provided to confirm the theoretical results numerically.
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