def getEdge(self, vertexIndex1, vertexIndex2):
        Parameter.checkIndex(vertexIndex1, 0, self.vList.getNumVertices())
        Parameter.checkIndex(vertexIndex2, 0, self.vList.getNumVertices())
        vertexIndex1 = int(vertexIndex1)
        vertexIndex2 = int(vertexIndex2)

        if self.W[vertexIndex1, vertexIndex2]==0:
            return None
        else:
            return self.W[vertexIndex1, vertexIndex2]
Get the value of an edge, or None if no edge exists.
dataset/ETHPy150Open charanpald/APGL/apgl/graph/PySparseGraph.py/PySparseGraph.getEdge