如何在神经网络中使用训练Matlab R2009b

时间:2012-10-25 10:49:53

标签: matlab image-processing neural-network

我输入矩阵为:

input = 
    1     0     0     1     1
    1     0     0     0     1
    1     0     0     0     1
    1     0     0     0     1
    0     0     1     0     0
    0     1     1     1     0
    0     1     1     1     0

T = [eye(10) eye(10) eye(10) eye(10)];

我创建的神经网络是:

net = newff(input,T,[35], {'logsig'})
%net.performFcn = 'sse';
net.divideParam.trainRatio = 1; % training set [%]
net.divideParam.valRatio   = 0; % validation set [%]
net.divideParam.testRatio  = 0; % test set [%]
net.trainParam.goal = 0.001;

到目前为止工作正常,但是当我使用火车功能时出现了问题

[net tr] = train(net,input,T);

并在matlab窗口中显示以下错误:

??? Error using ==> network.train at 145
Targets are incorrectly sized for network.
Matrix must have 5 columns.

Error in ==> test at 103
[net tr] = train(net,input,T);

我也尝试了input'T'。任何帮助都提前得到赞赏

1 个答案:

答案 0 :(得分:1)

如果你看一下MATLAB官方文档train,你会注意到T必须与输入矩阵具有相同数量的列,在你的情况下是5。相反,尝试:

T = ones(size(input, 1));

T = [1, size(input, 1) - 1];

看看是否有效。

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