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利用未知数变换并借助Mathematica软件,给出了变形色散水波方程的Auto-B(a)cklund变换以及它与热传导方程和线性方程之间的Darboux变换.进而用此变换,获得了变形色散水波方程的多孤子解、有理分式解及其他精确解.这种思路也适用于其他的非线性方程. 相似文献
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广义组合KdV-mKdV方程的显式精确解 总被引:1,自引:0,他引:1
Abstract. With the aid of Mathematica and Wu-elimination method,via using a new generalizedansatz and well-known Riccati equation,thirty-two families of explicit and exact solutions forthe generalized combined KdV and mKdV equation are obtained,which contain new solitarywave solutions and periodic wave solutions. This approach can also be applied to other nonlinearevolution equations. 相似文献
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IntroductionIngeneralizedintegrationanddifferentiationthequestionofextensionofmeaningis:canthemeaningofderivativesofintegralorderdny/dxnbeextendedtohavemeaningwherenisanynumber (e .g .,irrational,fractionorcomplex) ?In 1 695Leibnizinventedabovenotation .Eulara… 相似文献
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IntroductionFermi,PastaandUlam[1]presentedawell_knownproblemwhysolidshadfiniteheatconductivity ,whichwascalledtheFermi_Pasta_Ulam(FPU)problem .Thesolidismodelledbyaone_dimensionallattice ,asetofmassescoupledbystring .Theequationsgoverningthedynamicsofthisla… 相似文献
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We analytically give the financial rogue waves in the nonlinear option pricing model due to Ivancevic, which is nonlinear wave alternative of the Black Scholes model. These rogue wave solutions may be used to describe the possible physical mechanisms for rogue wave phenomenon in financial markets and related fields. 相似文献
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基于屠格式,从一个新的等谱问题,本文获得了一族广义Burgers 方程及其Ham ilton 结构.最后证明了该族方程是Liouville 完全可积的,并且有无穷多个彼此对合的公共守恒密度 相似文献
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