Definition of convergence of Runge-Kutta methods for delays differential equations? - Answers

Convergence of Runge-Kutta methods for delay differential equations (DDEs) refers to the property that the numerical solution approaches the true solution as the step size tends to zero. Specifically, it involves the method accurately approximating the solution over time intervals, accounting for the effect of delays in the system. For such methods to be convergent, they must satisfy certain conditions related to the stability and consistency of the numerical scheme applied to the DDEs. This ensures that errors diminish as the discretization becomes finer.