metric learning using this for manifol learning
File list:
lsc code
.......\computing_L2_error.m
.......\consist.m
.......\dist2.m
.......\eigdec.m
.......\gcut2.m
.......\gmm.m
.......\gmmactiv.m
.......\gmmem.m
.......\gmminit.m
.......\gmmpost.m
.......\gmmprob.m
.......\hungarian.m
.......\hybrid_manifolds.mat
.......\kmeans1.m
.......\lsc.m
.......\maxitmess.m
.......\ppca.m