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graphmaxflowÓ÷¨
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ϳÌÐòÖÐΪʲô´´½¨µÄÊÇÒ»¸ö6½ÚµãºÍ8¸ö±ßÓÐÏòͼ£¬¶ø²»ÊÇ8¸ö½Úµã11¸ö±ß£¿ ÁíÍ⣬graphmaxflowÕâ¸öº¯ÊýÊÇmatlab2012°æ²ÅÓеÄÂð£¬ÎÒµÄ2010Ϊɶhelp²»µ½Ó÷¨°¡¡£¡£¡£¡£MATLAB ×î´óÁ÷×îС¸î ÀûÓÃgraphmaxflow¿ÉÒÔÇó×î´óÁ÷×îС¸î£¬¾ßÌå²Î¿¼MATLAB°ïÖú S=[1 1 1 2 2 3 3 4 5 6 7]; %Æðʼ½ÚµãÏòÁ¿ E=[2 3 4 5 6 6 7 7 8 8 8]; %ÖÕÖ¹½ÚµãÏòÁ¿ W=[5 4 3 5 3 3 2 2 4 3 5]; %±ßȨֵÏòÁ¿ cm = sparse(S,E,W,8,8); % Create a directed graph with six nodes and eight edges. [M,F,K] = graphmaxflow(cm,1,8) %Calculate the maximum flow in the graph from node 1 to node 8. h = view(biograph(cm,[],'ShowWeights','on'));% View the graph with the original capacities. set(h.Nodes(K(1, ),'Color',[1 0 0]); %Show one solution to the minimum cut problem in the original graph.view(biograph(F,[],'ShowWeights','on')); % View the graph with the calculated maximum flows. % Notice that in the three edges that connect the source nodes (red) to the % destination nodes (yellow), the original capacities and the calculated maximum flows are the same. |
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),'Color',[1 0 0]); %Show one solution to the minimum cut problem in the original graph.
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