1. Two-step Runge–Kutta methods for Volterra integro-differential equations.
- Author
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Wen, Jiao, Huang, Chengming, and Guan, Hongbo
- Subjects
- *
VOLTERRA equations , *RUNGE-Kutta formulas , *INTEGRO-differential equations - Abstract
In this paper, we investigate two-step Runge–Kutta methods to solve Volterra integro-differential equations. Two-step Runge–Kutta methods increase the order of convergence in comparing the classical Runge–Kutta method without extra computational cost. First, the local order conditions and convergence theorem are derived. Then, stability properties of two-step Runge–Kutta methods corresponding to the basic and convolution test equations are analysed. Furthermore, one-stage method with order four and two-stage method with order six are constructed and we plot the stability regions. Numerical examples are presented to confirm the theoretical analyses. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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