Volume 18, Issue 1
The GPL-Stability of Runge-Kutta Methods Fordelay Differential Systems

Biao Yang and Lin Qiu & Jiao-Xun Kuang

J. Comp. Math., 18 (2000), pp. 75-82

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  • Abstract

This paper deals with the GPL-stability of the Implicit Runge-Kutta methods for the numerical solutions of the systems of delay differential equations. We focus on the stability behaviour of the Implicit Runge-Kutta(IRK) methods in the solutions of the following test systems with a delay term $$y'(t) = Ly(t) + My(t-\tau), t\ge 0,$$ $$y(t)=\Phi(t), t\le 0,$$ where $L, M$ are $N \times N$ complex matrices, $\tau \gt 0$, $\Phi(t)$ is a given vector function. We shall show that the IRK methods is GPL-stable if and only if it is L-stable, when we use the IRK methods to the test systems above.

  • History

Published online: 2000-02

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