newsom11.m

matlab神经网络代码

P=rands(2,100);
plot(P(1,:),P(2,:),'+r');
title('初始样本随机分布点图');
xlabel('P(1)');
ylabel('P(2)');


net=newsom([0 1;0 1],[5,6]);
% W1_init=net.iw{1,1}
% figure;
% plotsom(W1_init,net.layers{1}.distance);

for i=10:30:100
    net.trainParam.epochs=i;
    net=train(net,P);
    figure;
    plotsom(net.iw{1,1},net.layers{1}.distances)
end