%hf1_test:test the bp network
%==============
%==============

T1=[1;1;-1];
T2=[-1;-1;1];
T3=[1;-1;1];
W=[0 1 -1;1 0 -3;-1 -2 0];
T=[T1 T2 T3];

A=W*T;
for i=1:3
    for j=1:3
        if A(i,j)>=0
            A(i,j)=1;
        else
            A(i,j)=-1;
        end
    end
end

            
A1=A(:,1);
A2=A(:,2);
A3=A(:,3);
T1
A1
T2
A2
T3
A3
if(A1==T1)&(A2==T2)&(A3==T3)
    disp('聯想正確');
else
    disp('聯想錯誤');
end