matlab 統計編程題求做啊求助！！！

T=[0.6 1];

net=newlin(minmax(P),1,0,0.01);

net=init(net);

net.trainParam.epochs=500;

net=train(net,P,T);

R=sim(net,P);

plot(P,R);

hold on

plot(P,T,'r+');

E=T-R;

SSE=sumsqr(E);

w_range=-1:0.1:1;

b_range=-1:0.1:1;

ES=errsurf(P,T,w_range,b_range,'purelin');