0001 [F1,C1,nf1,np1,I1]=readcategory('prec/ant/*.txt',0.5); 0002 [F2,C2,nf2,np2,I2]=readcategory('prec/crab/*.txt',0.5); 0003 0004 F=cell2mat([F1;F2]); 0005 I=randperm(size(F,1)); 0006 [cent,mincent,mindist,q2,qual]=kmeans(F, F(I(1:200),:));