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推广的F-展开法及变系数KdV和mKdV的精确解 被引量:25

The Extended F-expansion Method and the Exact Solutions to the KdV and mKdV Equation with Variable Coefficients
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摘要 该文首先推广了新近提出的F-展开法,利用该方法导出了变系数KdV和mKdV方程的类椭圆函数解;并在极限的情况下,得到变系数KdV和mKdV方程变波速和变波长的类孤子解以及其他形式解. In this paper, the F-expansion method proposed recently is improved and applied to derive the cnoidal-like solutions of the general KdV and mKdV equations with variable coefficients, In the limit case, the soliton-like solutions with variable propagating speed and amplitude are obtained.
出处 《数学物理学报(A辑)》 CSCD 北大核心 2006年第3期353-360,共8页 Acta Mathematica Scientia
基金 河南省教育厅自然科学基金(2006110002)河南科技大学重大专项预研基金(2004ZD002)资助
关键词 F-展开法 类椭圆函数解 类孤子解 变系数KDV方程 变系数mKdV方程. F-expansion method Cnoidal-like solution Soliton-like.solution KdV equation with variable coefficients mKdV equation with variable coefficients.
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