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Keywords

Runge – Kutta methods
higher order derivative
stability region

Abstract

In this paper, we modify some sort of Runge-Kutta methods developed by David and Olin which needless function evaluation than ordinary corresponding Runge-Kutta methods. We improve the stability region of these methods by adding a suitable term for the formulas of the methods. We have shown these improvements theoretically and practically.
https://doi.org/10.33899/edusj.1970.162998
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