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p = [-1:0.05:1];
t0=sin(2*pi*p)
t = sin(2*pi*p)+0.1*randn(size(p));
val.P = [-0.975:.05:0.975];
val.T = sin(2*pi*val.P)+0.1*randn(size(val.P));

net=newff([-1 1],[20,1],{'tansig','purelin'},'traingdx');
net.trainParam.show = 25;
net.trainParam.epochs = 300;
net = init(net);
[net,tr]=train(net,p,t,[],[],val);

ÔËÐÐ
TRAINGDX, Epoch 0/300, MSE 2.62146/0, Gradient 4.55555/1e-006
TRAINGDX, Epoch 25/300, MSE 0.784865/0, Gradient 1.39597/1e-006
TRAINGDX, Epoch 50/300, MSE 0.140755/0, Gradient 0.335129/1e-006
TRAINGDX, Epoch 70/300, MSE 0.0409369/0, Gradient 0.0956265/1e-006
TRAINGDX, Validation stop.


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