www.pudn.com > ConstrainedEM.zip > prepare_chunclets.m

function inds =prepare_chunclets(cSizes,chun_num,av_chun_size,std_chun_size) 
% cSizes - size of classes 
% chun_num - number of chunclets. 
% av_chun_size - average chunclet size 
% if chunklets are not disjoint the intersection belong only to one of them , and the other becomes smaller. 
% inds - a cell(1,chun_num) containing the indexes of the points in chunklets. 
 
limits=[0 cumsum(cSizes) ]; 
unused_flags=ones(1,limits(end)); 
nc=length(cSizes); 
inds=cell(chun_num,1); 
for i=1:chun_num 
    chunklet_not_ready=1; 
    while chunklet_not_ready==1 
        seed=floor(rand*limits(end))+1; % first member in chunclet 
         
        tmp=limits=cSizes(class)     % chunklet with size of the whole class. 
            inds{i}=(limits(class)+1):limits(class+1); 
        else 
            choosen=1;              % choosing the chunclet members. 
            inds{i,choosen}=seed; 
            while choosen