3-4-6.m

BP算法.............................................

P = [1 2 3 4 5 6 7];
Tc = [1 2 3 2 2 3 1];
plotvec(P,Tc);
T = ind2vec(Tc)
%创建一个PNN，SPREAD=0.1
net = newpnn(P,T);
%仿真网络输出
Y = sim(net,P)
Yc = vec2ind(Y)