Cal_NMI                 calculate the normalized mutual information.
M2SMF                   the main part for M2SMF and clustering result
Standard_Normalization
                        Normalize the input matrix by column
affinityMatrix          To calculate the similarity matrix
cost                    Calculate the cost
dist2bin                Calculate the agreement-based measurement
dist2chi                Calculate the chi-squared distance
dist2eu                 Calculate the Euclidean distance
initialization          initialize the sub-matrix Ci into alpha*Li by
                        SVD
initialize_WL           Initialize from the similairty matrix list
new_modularity          Calculate the modularity
simu_data_gen           Generate simulated data
update_L                the function to update Li, for i=1,2,...,N
update_alpha            the function to update alpha
