Counting Formulas for Restricted Matrix of Set
Counting Formulas for Restricted Matrix of Set
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集合受限矩阵的计数公式
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发表时间:
2009
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In this paper, we consider the counting problem of matrix of set (Aij)k×n which satisfies k i=1 n j=1 Aij = {a1,a2,···,am} and other conditions, and obtain some computational formulas which extend all the results in [1].