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交替符号矩阵
释义
交替符号矩阵
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理学
计数组合学
释
alternating sign matrix
交替符号矩阵
一个阶交替符号矩阵是指满足如下三个条件的的矩阵:①它的元素只能是0,1或者-1;②每行和每列元素的和只能是1;③如果忽略0,那么1和-1在每行和每列中交替出现。
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qiongyu liquid extract
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qipi pill
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Qi puppet state under Jurchen Jin
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qi regulated formula
qi-regulating technique
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