應用超圖理論實現(xiàn)有向基本割集矩陣
REALIZATION OF DIRECTED FUNDAMENTAL CUTSET MATRIX BY HYPERGRAPH THEORY
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摘要: 本文應用超圖理論提出了從有向基本割集矩陣Qf的樹路子陣Qfp逐層判斷其可實現(xiàn)性和綜合出其對應有向圖(G)的算法RFCMHGT。它的原理直觀,計算復雜度為O(nl2),n和l為Qfp的行和列數(shù)。例2表明,Tutte條件不是Qf可實現(xiàn)的充分條件。Abstract: By applying hypergraph theory, algorithm RFCMHGT is presented fordetermining the realizability of a given directed fundamental cutset matrix Qf and synthesizing its corresponding directed graph G layer by layer from its tree path submatrix Qfp. Its principle is intuitive and its computational complexity is O(nl2). where n and l are the numbers of rows and columns of Qfp. Example 2 shows that Tutte s condition is not the sufficient condition for Qf to be realizable.
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