14 lines
221 B
Python
14 lines
221 B
Python
import networkx as nx
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import matplotlib.pyplot as plt
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# 创建一个空白的有向图
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G = nx.DiGraph()
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# 添加边
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G.add_edge('A', 'B')
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G.add_edge('A', 'C')
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G.add_edge('B', 'C')
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G.add_edge('C', 'D')
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# 绘制有向图
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