MATLAB: Not train neural network newff

Deep Learning Toolboxnewffnntrain neural network

Dear all,
I have this code for training neural network (type newff) and MATLAB is almost all day busy, but nothing happens (no training newff). Does anyone know, where is the mistake?
load ('trenovaci_modely2_stredni')
D = [stredni_tvar{1,:}];
F = [stredni_tvar{2,:}];
net_stredni_MLP = newff(D,F,20);
net.trainparam.epochs = 100;
net = train(net_stredni_MLP,D,F);
D = stredni_tvar{1,7};
J = sim(net_stredni_MLP,D);
save net_stredni_MLP
disp('Neuronová síť byla uložena')
Thank you for your answers.

Best Answer

 load ('trenovaci_modely2_stredni')
 D = [stredni_tvar{1,:}];
 F = [stredni_tvar{2,:}];
 [ I N ] = size(D)   % = ?

 [ O N ] = size(F)   % = ?
 net_stredni_MLP = newff(D,F,20);
 net.trainparam.epochs = 100;
 net = train(net_stredni_MLP,D,F);
% The trained model is net, NOT net_stredni_MLP!
% D = stredni_tvar{1,7}; DELETE
 D7 = D(1,7)  % WHY JUST ONE POINT??
% J = sim(net_stredni_MLP,D); DELETE
% save net_stredni_MLP DELETE
 J7 = sim( net, D7); % Only 1 point
 J  = sim( net, D );    % N points
 save net
 disp('Neuronová síť byla uložena')
Hope this helps.
Thank you for formally accepting my answer
Greg
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