function?[idx]?=?clu_ncut（LK）
%?this?routine?groups?the?data?X?into?K?subspaces?by?NCut
%?inputs:
%???????L?--?an?N*N?affinity?matrix?N?is?the?number?of?data?points
%???????K?--?the?number?of?subpaces?（i.e.?clusters）
L?=?abs（L）+abs（L‘）;

D?=?diag（sum（L2）.^（-1./2））;
L?=?eye（size（L1））?-?D*L*D;
[USV]?=?svd（L）;

V?=?U（:end-K+1:end）;
idx?=?kmeans（VK‘emptyaction‘‘singleton‘‘replicates‘10‘display‘‘off‘）;
idx?=?idx‘;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-04-22?13:16??lrr\
?????文件?????????427??2010-04-22?13:06??lrr\clu_ncut.m
?????文件?????????596??2010-04-22?13:08??lrr\compacc.m
?????文件????????2120??2010-04-22?13:09??lrr\demo.m
?????文件????????2051??2010-04-22?00:15??lrr\lrr.m
?????文件????????1934??2010-04-22?00:15??lrr\lrra.m
?????文件????????2465??2010-04-22?13:17??lrr\lrraffine.m
?????文件????????1328??2010-04-22?00:36??lrr\sr.m
?????文件????????1589??2010-04-22?00:36??lrr\sr2.m