Eighth order Predictor-Corrector Method to Solve Quadratic Riccati Differential Equations

IF 0.3 Q4 MULTIDISCIPLINARY SCIENCES Momona Ethiopian Journal of Science Pub Date : 2022-04-11 DOI:10.4314/mejs.v13i2.2
Wase Kassahun, Alemayehu Shiferaw, S. Gebregiorgis
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引用次数: 0

Abstract

In this paper, the eighth-order predictor-corrector method is presented for solving quadratic Riccati differential equations. First, the interval is discretized and then the method is formulated by using Newton’s backward difference interpolation formula. The stability and convergence of the method have been investigated. To validate the applicability of the proposed method, two model examples with exact solutions have been considered and numerically solved. Maximum absolute errors are presented in tables and figures for different values of mesh size h and the present method gives better results than some existing numerical methods reported in the literature.  
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求解二次Riccati微分方程的八阶预测校正法
本文提出了求解二次里卡第微分方程的八阶预测校正方法。首先对区间进行离散化,然后利用牛顿的后向差分插值公式对方法进行求解。研究了该方法的稳定性和收敛性。为了验证所提方法的适用性,考虑了两个具有精确解的模型实例,并进行了数值求解。表格和图中给出了不同网格尺寸h值下的最大绝对误差,与现有文献报道的一些数值方法相比,本文方法的结果更好。
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来源期刊
Momona Ethiopian Journal of Science
Momona Ethiopian Journal of Science MULTIDISCIPLINARY SCIENCES-
自引率
0.00%
发文量
13
审稿时长
12 weeks
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