在第六章中，我们考虑对偶问题，基于对偶建立几个计算程序，并讨论了参数和灵敏度分析。
In Chapter six we consider the dual problem, develop several computational procedures based on duality, and discuss sensitivity and parametric analysis.
基于等价类的划分、线性方程组的求解和标准基之对偶基的计算，提出了域元素分量代数表达式的三种求法。
Based on the partition of equivalent classes, the resolving of a linear system of equations and the calculation of the dual basis of the standard basis, three methodologies are presented.
分析了方法的性质，给出了初始对偶可行基的计算方法，并用实例说明方法的具体操作。
Some properties of the proposed are analysed, and a method for computing a dual feasible basis of the discussed problem is given.
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