北京钢铁学院自动化系
纸质出版:1987
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[1]黄汝激.混合图的有向k树多项式的产生和状态空间树[J].电子学报,1987(05):8-14.
Huang Ru-ji. Generation and State Space Tree of the Directed k-Tree Polynomial of a Composite Graph[J]. Acta Electronica Sinica, 1987, (5): 8-14.
引入了混合图G的有向K树多项式P(t
F
1
……F
K
)的状态空间树T的概念和算法SSTDKTP。提出了用分支-定界法产生P(t
F
1
……
F
K
)的一个新算法——算法DKTPCG。该算法简单
所得表达式十分紧凑。计算时间复杂度是O(men
l
);空间复杂度对于堆栈是O[(n-k)(ke+n)]
对于输出数组XE
YE
FL和NS是O(n
df
)
这里n
l
和n
df
分别是T的叶点和状态节点的数目。
The concept and Algorithm SSTDKTP of the state space tree T of the directed ?tree polynomial P On
.....
FK) of a composite graph G are introduced. Then a new algorithm- Algorithm DKTPCG is presented for the direct generation of P(tF1
FK) using branch-and-bound method. The algorithm is simple
and the resulting expression is very com pact. The computing time complexity is O(men1). The space complexity is O[(n-k)(ke+ n)] for stacks and O(ndf) for output arrays XE
YE
FL and NS
where n
and ndf
are the numbers of leaf and state nodes of T
respectively.
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