function?Dist_matrix?=?calcSqDistances（dataC_matrix）
%?????%?compute?the?squared?distance?w.r.t.?each?center?point?for?every?data
%?????%?X;?N?by?D;?Kmus:?K?by?D
%?????%?||x-u||^2?=?xx‘?-?2xu‘?+?uu‘??N?by?K
????[ND]?=?size（data）;
%?????K?=?size（C_matrix1）;
%?????Data_sq?=?diag（data*data‘）;???%?N?by?1
%?????Kmus_sq?=?diag（C_matrix*C_matrix‘）;????%?1?by?K
%?????trans?=?2*data*C_matrix‘;??%?N?by?K
%?????A=repmat（Data_sq1K）;
%?????B=repmat（Kmus_sq‘N1）;
%?????Dist_matrix?=?repmat（Data_sq1K）?-?trans?+?repmat（Kmus_sq‘N1）;
????Dist_matrix?=?zeros（N3）;
????for?i=1:N
????????for?j=1:3
%?????????????A（i，：）?提取矩陣A的第?i行
????????????Dist_matrix（ij）=norm（data（i:）-C_matrix（j:））;
????????end
????end???
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????744??2017-12-23?13:46??calcSqDistances.m
?????文件?????????468??2017-12-23?13:17??determineRnk.m
?????文件????????2640??2010-10-15?21:18??ex4x.dat
?????文件????????1360??2010-10-15?21:18??ex4y.dat
?????文件????????4195??2017-12-23?19:45??iris.csv
?????文件????????1039??2017-12-19?21:13??iris.mat
?????文件?????????502??2018-01-01?19:17??main.m
?????文件?????????800??2018-01-01?17:17??my_kmeans.m
?????文件?????????513??2017-12-23?15:23??plotCurrent.m
?????文件?????????412??2017-12-23?13:36??recalcMus.m