用引进辅助变量的方法建立一阶微分方程组的扩充系统.这个扩充系统可表为Hamilton形式,而其积分可用分析力学的方法来得到.举例说明结果的应用.
An extended system of a system of first-order differential equations is established by introducing some supplementary variables in this paper. The extended system can be written in the Hamilton from and its integrals can be obtained by analytical mechanics method. An example is given to illustrate the application of the result.