Imanagedtoestablishthefollowingresult:thenumberofcircuitsoflength7inthegraphillustratedisgivenbythedeterminantoftheadjacency atrix of the graph,whichisthe7x7matrixawitha1intheithrowandjthcolumn(entrya(I,j)))ifthereisanarcfromI-1toj-1inthegrom
正在翻譯中..