File list (Check if you may need any files):
LSL_SC
......\demo
......\....\demo.m
......\....\demo_ar.mat
......\....\demo_yaleb.mat
......\....\dlsc_demo.m
......\....\SSCP_demo.m
......\....\USCP_demo.m
......\readme.m
......\utilities
......\.........\Classifier_NN_f.m
......\.........\content.m
......\.........\dlsc.m
......\.........\featureselection_supervised.m
......\.........\featureselection_unsupervised.m
......\.........\Find_K_Max_Eigen.m
......\.........\Find_K_Max_Gen_Eigen.m
......\.........\l1_ls_matlab
......\.........\............\l1_ls_matlab
......\.........\............\............\@partialDCT
......\.........\............\............\...........\ctranspose.m
......\.........\............\............\...........\mtimes.m
......\.........\............\............\...........\partialDCT.m
......\.........\............\............\find_lambdamax_l1_ls.m
......\.........\............\............\find_lambdamax_l1_ls_nonneg.m
......\.........\............\............\l1_ls.m
......\.........\............\............\l1_ls_nonneg.m
......\.........\............\............\l1_ls_usrguide.pdf
......\.........\............\............\operator_example.m
......\.........\............\............\README.TXT
......\.........\............\............\simple_example.m
......\.........\learnmatrixpsupervised.m
......\.........\learnmatrixpunsupervised.m
......\.........\Metaface_ICIP
......\.........\.............\Metaface_ICIP
......\.........\.............\.............\main_metaface.m
......\.........\.............\.............\ReadMe.txt
......\.........\.............\.............\utilities
......\.........\.............\.............\.........\Eigenface_f.m
......\.........\.............\.............\.........\Metaface.asv
......\.........\.............\.............\.........\Metaface.m
......\.........\.............\.............\.........\Metaface_rand.asv
......\.........\.............\.............\.........\Metaface_rand.m
......\.........\.............\.............\.........\min_1Dwhole_reconstruct_gap.asv
......\.........\.............\.............\.........\min_1Dwhole_reconstruct_gap.m
......\.........\patch_divide.m
......\.........\SSCP.m
......\.........\USCP.m