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Python SparseGraph.degreeSequence方法代码示例

本文整理汇总了Python中apgl.graph.SparseGraph.SparseGraph.degreeSequence方法的典型用法代码示例。如果您正苦于以下问题:Python SparseGraph.degreeSequence方法的具体用法?Python SparseGraph.degreeSequence怎么用?Python SparseGraph.degreeSequence使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在apgl.graph.SparseGraph.SparseGraph的用法示例。


在下文中一共展示了SparseGraph.degreeSequence方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: testGenerate

# 需要导入模块: from apgl.graph.SparseGraph import SparseGraph [as 别名]
# 或者: from apgl.graph.SparseGraph.SparseGraph import degreeSequence [as 别名]
    def testGenerate(self):
        degSequence = numpy.array([2, 1, 3, 0, 0, 0, 0, 0, 0, 1])
        generator = ConfigModelGenerator(degSequence)

        numVertices = 10
        graph = SparseGraph(GeneralVertexList(numVertices))
        graph = generator.generate(graph)

        tol = 3
        self.assertTrue(numpy.linalg.norm(degSequence - graph.degreeSequence()) < tol)

        degSequence = numpy.array([2, 1, 3, 0, 2, 1, 4, 0, 0, 1])
        generator.setOutDegSequence(degSequence)
        graph.removeAllEdges()
        graph = generator.generate(graph)

        self.assertTrue(numpy.linalg.norm(degSequence - graph.degreeSequence()) < tol)

        #Test using a non-empty graph
        degSequence = numpy.array([0, 0, 0, 2, 0, 0, 0, 1, 1, 0])
        generator.setOutDegSequence(degSequence)
        oldDegSequence = graph.degreeSequence()

        self.assertRaises(ValueError, generator.generate, graph, True)
        graph = generator.generate(graph, False)

        diffSequence = graph.degreeSequence() - oldDegSequence
        self.assertTrue(numpy.linalg.norm(degSequence - diffSequence) < tol)

        #Test the case where we also have an in-degree sequence
        degSequence = numpy.array([2, 1, 3, 0, 0, 0, 0, 0, 0, 1])
        inDegSequence = numpy.array([1, 1, 1, 1, 1, 1, 1, 0, 0, 0])
        generator = ConfigModelGenerator(degSequence, inDegSequence)

        graph = SparseGraph(GeneralVertexList(numVertices))
        self.assertRaises(ValueError, generator.generate, graph)

        graph = SparseGraph(GeneralVertexList(numVertices), False)
        graph = generator.generate(graph)

        self.assertTrue(numpy.linalg.norm(degSequence - graph.outDegreeSequence()) < tol)
        self.assertTrue(numpy.linalg.norm(inDegSequence - graph.inDegreeSequence()) < tol)

        outDegSequence = numpy.array([2, 1, 3, 0, 2, 1, 4, 0, 0, 1])
        inDegSequence = numpy.array([1, 2, 1, 1, 2, 1, 2, 1, 2, 1])
        generator.setOutDegSequence(outDegSequence)
        generator.setInDegSequence(inDegSequence)
        graph.removeAllEdges()
        graph = generator.generate(graph)

        self.assertTrue(numpy.linalg.norm(outDegSequence - graph.outDegreeSequence()) < tol)
        self.assertTrue(numpy.linalg.norm(inDegSequence - graph.inDegreeSequence()) < tol)

        #In the case that the in-degree sequence sum larger than that of the out-degree it is
        #not satisfied, but the out-degree should be. 
        inDegSequence = numpy.array([1, 2, 1, 1, 2, 1, 2, 1, 5, 6])
        generator.setInDegSequence(inDegSequence)
        graph.removeAllEdges()
        graph = generator.generate(graph)
        self.assertTrue(numpy.linalg.norm(outDegSequence - graph.outDegreeSequence()) < tol)

        #Now try the other way around
        generator.setOutDegSequence(inDegSequence)
        generator.setInDegSequence(outDegSequence)
        graph.removeAllEdges()
        graph = generator.generate(graph)
        self.assertTrue(numpy.linalg.norm(outDegSequence - graph.inDegreeSequence()) < tol)

        #Test growing graph
        outDegSequence = numpy.array([2, 1, 3, 0, 2, 1, 4, 0, 0, 1])
        inDegSequence = numpy.array([1, 2, 1, 1, 2, 1, 2, 1, 2, 1])

        generator.setOutDegSequence(outDegSequence)
        generator.setInDegSequence(inDegSequence)
        graph.removeAllEdges()
        graph = generator.generate(graph)

        newOutDegreeSequence = numpy.array([2, 1, 3, 5, 2, 1, 4, 0, 0, 1])
        newInDegreeSequence = numpy.array([2, 3, 2, 2, 3, 1, 2, 1, 2, 1])
        diffOutSequence = newOutDegreeSequence - graph.outDegreeSequence()
        diffInSequence = newInDegreeSequence - graph.inDegreeSequence()
        generator.setOutDegSequence(diffOutSequence)
        generator.setInDegSequence(diffInSequence)
        graph = generator.generate(graph, False)

        self.assertTrue(numpy.linalg.norm(newOutDegreeSequence - graph.outDegreeSequence()) < tol)
        self.assertTrue(numpy.linalg.norm(newInDegreeSequence - graph.inDegreeSequence()) < tol)
开发者ID:awj223,项目名称:Insight-Data-Engineering-Code-Challenge,代码行数:89,代码来源:ConfigModelGeneratorTest.py


注:本文中的apgl.graph.SparseGraph.SparseGraph.degreeSequence方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。