This article begins with the calculating of the conservative density of Kdv equations. By an easy method of calculating the conservative density of a class of nonlinear evolutionary equations is then derived. The calc...This article begins with the calculating of the conservative density of Kdv equations. By an easy method of calculating the conservative density of a class of nonlinear evolutionary equations is then derived. The calculating of a lot of undetermined coefficients can be dealt with in batches, and it will enable us to operate by hand.展开更多
基金This work is supported by Natural Science Foundation of Shandong.
文摘This article begins with the calculating of the conservative density of Kdv equations. By an easy method of calculating the conservative density of a class of nonlinear evolutionary equations is then derived. The calculating of a lot of undetermined coefficients can be dealt with in batches, and it will enable us to operate by hand.