Fifth-order Korteweg–De Vries equationA fifth-order Korteweg–De Vries (KdV) equation is a nonlinear partial differential equation in 1+1 dimensions related to the Korteweg–De Vries equation.[1] Fifth order KdV equations may be used to model dispersive phenomena such as plasma waves when the third-order contributions are small. The term may refer to equations of the form where is a smooth function and and are real with . Unlike the KdV system, it is not integrable. It admits a great variety of soliton solutions.[2] References
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