This paper makes improvement on the criterion of choosing basic variable in simplex algorithm and gives out a new selecting criterion.
本文就单纯形算法选取入基变量的准则进行改进，给出一种新的选取入基变量的准则。
This paper gave another algorithm which can solve in simplex table and do not need add extra parameter, but only use another test number.
本文给出了另一种解法，不需引进额外参数，而是直接在单纯形表上加以解决，只是使用了另一种形式的检验数。
To improve the method of solving linear programming problem by means of simplex method, this paper gives the method of linear programming problem general solution with infinite optimal solutions.
为了进一步完善解线性规划问题的单纯形法，本文给出了表达一类具有无穷多个最优解的线性规划问题通解的方法。
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