The revised simplex method is used at first to calculate the optimal line extensions without integer constraints of the variables so that it can be determined which lines should be constructed.
第一步不考虑变量的整数约束，用修正单纯形法求解，由此可确定一部分线路是否需要建设。
The symmetric difference decomposition method gives an algorithm for the former problem (§4), which is equivalent to the revised simplex algorithm for linear programming.
用对称差分解法自然得到一个算法（§4），相当于改进单纯形算法。
Although being revised into a form of network simplex method, it is still not a good algorithm.
虽然它被纳入了单形法的框架，但仍然不是一个好算法。
Although being revised into a form of network simplex method, it is still not a good algorithm.
虽然它被纳入了单形法的框架，但仍然不是一个好算法。
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