MATLAB: How to add values of each iteration to a variable

for loop iteration values

i have to store the values of every iteration.. but i got only the last values.. what correct i have to do? here is my code
if true
[loc,ctr]=kmeans(hogfeat,20);
b=unique(loc);
for i=1:size(b,1)
c=hogfeat(find(loc==b(i,1)));
end
end

Best Answer

c{i} = hogfeat(find(loc==b(i,1)));