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Weakly stochastic Runge-Kutta method with order 2
Ali R. Soheili,Zahra Kazemi 한국전산응용수학회 2008 Journal of applied mathematics & informatics Vol.26 No.1
Many deterministic systems are described by Ordinary differential equations and can often be improved by including stochastic effects, but numerical methods for solving stochastic differential equations(SDEs) are required, and work in this area is far less advanced than for deterministic differential equations. In this paper,first we follow [7] to describe Runge-Kutta methods with order 2 from Taylor approximations in the weak sense and present two well known Runge-Kutta methods, RK2-TO and RK2-PL. Then we obtain a new 3-stage explicit Runge-Kutta with order 2 in weak sense and compare the numerical results among these three methods.
WEAKLY STOCHASTIC RUNGE-KUTTA METHOD WITH ORDER 2
Soheili, Ali R.,Kazemi, Zahra 한국전산응용수학회 2008 Journal of applied mathematics & informatics Vol.26 No.1
Many deterministic systems are described by Ordinary differential equations and can often be improved by including stochastic effects, but numerical methods for solving stochastic differential equations(SDEs) are required, and work in this area is far less advanced than for deterministic differential equations. In this paper,first we follow [7] to describe Runge-Kutta methods with order 2 from Taylor approximations in the weak sense and present two well known Runge-Kutta methods, RK2-TO and RK2-PL. Then we obtain a new 3-stage explicit Runge-Kutta with order 2 in weak sense and compare the numerical results among these three methods.