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%% Determine if Directed Graph is Acyclic % Create and plot a directed graph, and then test the graph to determine if % it is acyclic. % Copyright 2015 The MathWorks, Inc. s = [1 1 2 2 3 3 4 4 4 5]; t = [2 3 4 5 6 7 8 9 10 4]; G = digraph(s,t) %% plot(G) %% tf = isdag(G)