Some methods of judging non-elementary function are given.
给出了非初等函数的几种判断方法。
2
The paper probes into the solution, by means of the matrix elementary transformation, of the non-elementary feasible base of linear program.
对用矩阵的初等变换求线性规划的无初始可行基问题进行了探讨。
3
Finally we drew an elementary conclusion that the fairly strong poisonous components in the two plants were mainly non - polar or weak-polar substance.