A Seven-Step Block Multistep Method for the Solution of First Order Stiff Differential Equations

IF 0.3 Q4 MULTIDISCIPLINARY SCIENCES Momona Ethiopian Journal of Science Pub Date : 2020-04-30 DOI:10.4314/mejs.v12i1.5
S. Gebregiorgis, H. Muleta
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引用次数: 1

Abstract

In this paper, a seven-step block method for the solution of first order initial value problem in ordinary differential equations based on collocation of the differential equation and interpolation of the approximate solution using power series have been formed. The method is found to be consistent and zero-stable which guarantees convergence. Finally, numerical examples are presented to illustrate the accuracy and effectiveness of the method.  Keywords: Power series, Collocation, Interpolation, Block method, Stiff.
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求解一阶刚性微分方程的七步块多步方法
本文在微分方程配置和幂级数近似解插值的基础上,提出了求解常微分方程一阶初值问题的七步法。该方法具有一致性和零稳定性,保证了算法的收敛性。最后通过数值算例说明了该方法的准确性和有效性。关键词:幂级数,配位,插值,块法,Stiff。
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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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