Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsThe Floyd-Warshall Algorithm on Adjacency Matrices and Directed Graphshttp://demonstrations.wolfram.com/TheFloydWarshallAlgorithmOnAdjacencyMatricesAndDirectedGraph/]]>http://demonstrations.wolfram.com/TheFloydWarshallAlgorithmOnAdjacencyMatricesAndDirectedGraph/