In Chapter three the simplex method is developed in detail, and in Chapter four the initiation of the simplex method by 在第三章详细建立单纯形法，在第四章介绍利用人工变量法初始化单纯形法并讨论了退化问题。
To expose the statistical properties of the degenerated spectrum, with the aid of the random matrix theory, a possible f摘要利用随机矩阵理论，通过对一特殊情形的简并谱展开研究，得到了简并谱一种可能的最小相邻间距NNS分布函数。