But it is very difficult to compute the number of non-negative matrix with fixed score row or column vectors, so to compute the number of tournament matrix with fixed score vector is also difficult.

竞赛矩阵和竞赛图由于具有固定行和向量及列和向量的非负矩阵类的计数，是组合数学的一个非常困难的问题，因此对具有固定得分向量的竞赛矩阵的计数问题也比较困难。

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Secondly, the corresponding weight vector, according to the questionnaire results, obtained using the weighted average score of the corresponding index.

其次，得到相应的权重向量，按照调查问卷的结果，利用加权平均法获得相应指标的分值。

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