Runge-Kutta公式绝对稳定域的计算及其在系统仿真中的应用
The Computation of the Absolute Stability Region for Runge-Kutta Formula and Its Applications to System Simulation
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摘要: 本文提出了一种较简便的计算Runge-Kutta公式稳定域的算法,并应用此算 法结合参数寻优方法,对RKF公式进行了计算机寻优,得到了改进的RKF4(5) 公式,该公式在连续系统数字仿真中应用效果较好.Abstract: A simple method for computing the stability region of Rung-Kutta formula is proposed. By optimizing the RKF formula via the proposed method and optimization technique, an improved RKFI formula is obtained, which is proved to be effective when applied to digital simulation of continous systems.
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