本文为了获得非线性发展方程新的无穷序列精确解,给出了几种辅助方程的Bcklund变换和解的非线性叠加公式,并构造了一些非线性发展方程新的无穷序列精确解,其中包括无穷序列Jacobi椭圆函数解、无穷序列双曲函数解和无穷序列三角函数解.该方法在构造非线性发展方程无穷序列精确解方面具有普遍意义.
To seek infinite sequence exact solutions of nonlinear evolution equations,the Bcklund transformation of the solutions to some auxiliary equations and the formula of nonlinear superimposition of solutions are presented for constructing infinite sequence exact solutions to nonlinear evolution equations,which include infinite sequence Jacobi elliptic function solutions,infinite sequence hyperbolic function solutions and infinite sequence trigonomical function solutions.The method is of significance to the search into infinite sequence exact solutions of other nonlinear evolution equations.