method of variation of parameters造句

In this paper , based on the method of variable replacement , real parameters di > 0 ( i = 1 , 2 , . . . , n ) which can be adjusted , are introduced ingeniously . we establish some new sufficient conditions for the existence , uniqueness and global exponential stability of the equilibrium , periodic solution and almost periodic solution of neural networks with time - varying delays by means of the method of variation of parameters , fixed point theorem and some analysis techniques
本文巧妙地引入可调实参数d _ i 0 ( i = 1 ， 2 ， … ， n ) ，借助常数变易法、变量替换、不动点定理和一些分析技巧，对具可变时滞的神经网络的平衡点、周期解、概周期解的存在性和全局指数稳定性建立了一些新的充分条件。
It's difficult to find method of variation of parameters in a sentence. 用method of variation of parameters造句挺难的