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三阶非线性KdV方程的分组差分格式
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作者 曲富丽 李高波 《山东科学》 CAS 2008年第3期1-4,共4页
对三阶非线性KdV方程给出了一组非对称的差分公式,用这些差分公式构造了一类具有本性并行的分组差分格式,并给出了差分格式及该算法的线性绝对稳定性证明.
关键词 KORTEWEG-DE VRIES方程 本性并行 分组差分格式 线性绝对稳定
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Stability and convergence of the variable directions difference scheme for one nonlinear two-dimensional model 被引量:1
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作者 Temur Jangveladze Zurab Kiguradze +1 位作者 Mikheil Gagoshidze Maia Nikolishvili 《International Journal of Biomathematics》 2015年第5期31-51,共21页
The system of two-dimensional nonlinear partial differential equations is considered. This system describes the vein formation in meristematic tissues of young leaves. Variable directions difference scheme is construc... The system of two-dimensional nonlinear partial differential equations is considered. This system describes the vein formation in meristematic tissues of young leaves. Variable directions difference scheme is constructed and investigated. Absolute stability regarding space and time steps of scheme is shown. The convergence statement for the constructed scheme is proved. Rate of convergence is given. Various numerical experiments are carried out and results of some of them are considered in this paper. Comparison of numerical experiments with the results of the theoretical investigation is given too. 展开更多
关键词 Variable directions difference scheme nonlinear partial differential equations stability CONVERGENCE vein formation.
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