Description Usage Arguments Value Author(s) Examples
A function to calculate the cost of the objective function
1 | cost(new_WL_list, init_list, lambda)
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new_WL_list |
A list of matrices factorized from the similarity matrices list WL |
init_list |
A list containing the updated result in this iteration |
lambda |
A parameter to set the relative weight of the group sparsity constraints |
A number indicating the total cost of the objective function
Xiaoyao Yin
1 2 3 4 5 6 7 8 9 10 11 | WL <- simu_data_gen()
WL[[1]] <- affinityMatrix(dist2eu(Standard_Normalization(WL[[1]]),Standard_Normalization(WL[[1]])))
WL[[2]] <- affinityMatrix(dist2eu(Standard_Normalization(WL[[2]]),Standard_Normalization(WL[[2]])))
new_WL_list <- initialize_WL(WL)
k <- 5
lambda <- 0.25
init_list <- initialization(new_WL_list,k)
update_L_list <- update_L(new_WL_list,init_list)
update_alpha_list <- update_alpha(new_WL_list,update_L_list,lambda)
init_list <- update_alpha_list
new_loss <- cost(new_WL_list,init_list,lambda)
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