total=KNN(tri,trl,tei,tel,k)

function total=KNN(tri,trl,tei,tel,k)
[mte,n]=size(tei);
str=sum(tri'.*tri');
ste=sum(tei'.*tei');
tel1=zeros(mte,1);
for i=1:mte;
    d=str+ste(i)-2*tei(i,:)*tri';
    [dv,dl]=sort(d);
    tel_temp=trl(dl(1:k));
    class=1;tel_c=tel_temp(1);tel_n=1;
    for j=2:k;
        judge=0;
        for l=1:class;
            if tel_c(l)==tel_temp(j);
                tel_n(l)=tel_n(l)+1;
                judge=1;
            end;
        end;
        if judge==0;
            class=class+1;
            tel_c(class)=tel_temp(j);
            tel_n(class)=1;
        end;
    end;
    [dv,dl]=max(tel_n);
    tel1(i)=tel_c(dl);
end;
total=0;
for i=1:mte;
    if tel1(i)~=tel(i);
        total=total+1;
    end;
end;
%total=total/mte*100;