Update README.md

README.md

-Creat a generalized Ising model on a graph, by calcualting its corresponding generalized freeenergy to 
-represent the graph'  relatively global feature to do graph isomorphism test
-command line: python lnz.py -graph rrg -n 20 -k 3  -node raw -choice 2 -seed1 10 -seed 5 -permutation
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+Creat a generalized Ising model on a graph, by calcualting its 
+corresponding generalized freeenergy to represent the graph'  
+relatively global feature to do graph isomorphism test
+
+
+
+command line:
+
+python lnz.py -graph rrg -n 20 -k 3  -node raw -choice 2 -seed1 10 -seed 5 -permutation
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