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含Caputo-Fabrizio分数阶算子的非线性刚性泛函微分方程Runge-Kutta方法的稳定性
Stability of Runge-Kutta methods for nonlinear stiff functional differential equations with Caputo-Fabrizio fractional operator
【摘要】 该文针对一类带有Caputo-Fabrizio分数阶算子的非线性刚性泛函微分方程初值问题,利用线性插值技巧离散Caputo-Fabrizio算子,结合求解常微分方程的数值方法,构造了求解该问题的Runge-Kutta方法,给出了在一定条件下方法的非线性稳定性结果.
【Abstract】 In order to solve the initial value problem for a class of nonlinear stiff functional differential equations with Caputo-Fabrizio fractional operators, the Runge-Kutta methods are constructed by discretized the Caputo-Fabrizio fractional operator using linear interpolation techniques and combined with numerical methods for solving ordinary differential equations. The nonlinear stability results of the methods are given under certain conditions.
【关键词】 非线性刚性泛函微分方程;
Caputo-Fabrizio分数阶算子;
Runge-Kutta方法;
稳定性;
代数稳定性;
【Key words】 nonlinear stiff functional differential equations; Caputo-Fabrizio fractional operator; Runge-Kutta methods; stability; algebraic stability;
【Key words】 nonlinear stiff functional differential equations; Caputo-Fabrizio fractional operator; Runge-Kutta methods; stability; algebraic stability;
【基金】 国家自然科学基金(12271463)
- 【文献出处】 湘潭大学学报(自然科学版) ,Journal of Xiangtan University(Natural Science Edition) , 编辑部邮箱 ,2023年04期
- 【分类号】O241.8
- 【下载频次】7