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单词 self-loop
释义 ˈself-loop
[self- 3 a.]
In a graph or network, a line that returns to the node it leaves.
1964S. E. Salmaghraby in Managem. Sci. X. 499 We shall reserve the terms ‘self-loop’ to designate a branch that leads from a node to itself.1980Sci. Amer. Mar. 18/1 In graph theory a graph is defined as any set of points joined by lines, and a simple graph is defined as one that has no self-loops (lines that join a point to itself) and no parallel lines (two or more lines joining the same pair of points).
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