function CollectAnaly(X)
format long;
sz = size(X);
N = sz(1); %样本个数
n = sz(2);
D = zeros(n,n);
totalClass = N;
RecordClass = zeros(N,N+1);
RecordClass(:,1) = ones(N,1);
RecordClass(:,2) = 1:N;
disp('聚类前的N个类：');
disp(RecordClass);
while totalClass > 1
minClaDist = inf;
for i=1:totalClass
for j=i+1:totalClass
distClass = DistClass(X,RecordClass,i,j,RecordClass(i,1),RecordClass(j,1));
if distClass < minClaDist
minClaDist = distClass;
i1 = i;
j1 = j;
end
end
end
t1 = RecordClass(i1,1);
t2 = RecordClass(j1,1);
RecordClass(i1,(t1+2):(t1+t2+1)) = RecordClass(j1,2:(t2+1));
RecordClass(i1,1) = RecordClass(i1,1) + RecordClass(j1,1);
RecordClass(j1:(totalClass-1),:) = RecordClass((j1+1):totalClass,:);
RecordClass(totalClass:N,:) = zeros(N-totalClass+1,N+1);
totalClass = totalClass - 1;
str1 = strcat('第',num2str(N - totalClass));
str1 = strcat(str1, '次聚类，');
str1 = strcat(str1, '第');
str1 = strcat(str1, num2str(i1));
str1 = strcat(str1, '类和第');
str1 = strcat(str1, num2str(j1));
str1 = strcat(str1, '类合并：');
disp(str1);
disp(RecordClass(1:totalClass,:))
end
function d = DistSamp(X1,X2)
format long;
d = sqrt(dot( X1-X2,X1-X2));
format short;
function d = DistClass(X,C1,l1,l2,n,m)
format long;
d = inf;
for i=1:n
for j=1:m
dc = DistSamp(X(C1(l1,i+1),:),X(C1(l2,j+1),:));
if dc < d
d = dc;
end
end
end
format short;
