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a=[0.25 5 8 0.05 0.05;0.5 5 8 0.05 0.05;2 5 8 0.05 0.05; 1 3 8 0.05 0.05;1 4 8 0.05 0.05;1 7 8 0.05 0.05;1 5 3 0.05 0.05;1 5 4 0.05 0.05;1 5 9 0.05 0.05;1 5 8 0.02 0.0375; 1 5 8 0.02 0.075;1 5 8 0.02 0.15;1 5 8 0.05 0.0375;1 5 8 0.05 0.075;1 5 8 0.05 0.15;1 5 8 0.05 0.225;1 5 8 0.05 0.3;1 5 8 0.1 0.075;1 5 8 0.1 0.15;1 5 8 0.1 0.3;1 5 8 0.2 0.075;1 5 8 0.2 0.15;1 5 8 0.2 0.225]
b=[9;1;6;1;2;3;111;47;7;1;17;6;4;25;5;3;2;1;9;2;1;3;2;1]
c=[1 5 8 0.05 0.05;1 6 8 0.05 0.05;1 5 6 0.05 0.05;1 5 8 0.02 0.3;1 5 8 0.05 0.225;1 5 8 0.1 0.225]
a=a'
b=b'
c=c'
net=newff(minmax(a),[12 1],{'tansig' 'purelin'}, 'trainlm')
net.trainParam.show = 50;  
   net.trainParam.lr = 0.001;  
   net.trainParam.epochs = 10000;  
   net.trainParam.goal = 1e-7;   
    net.trainParam.min_grad = 1e-9;  
   [net,tr]=train(net,a,b);         
figure
y=sim(net,c)  
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Matrix must have 23 columns.   
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a=[0.25 5 8 0.05 0.05;0.5 5 8 0.05 0.05;2 5 8 0.05 0.05; 1 3 8 0.05 0.05;1 4 8 0.05 0.05;1 7 8 0.05 0.05;1 5 3 0.05 0.05;1 5 4 0.05 0.05;1 5 9 0.05 0.05;1 5 8 0.02 0.0375; 1 5 8 0.02 0.075;1 5 8 0.02 0.15;1 5 8 0.05 0.0375;1 5 8 0.05 0.075;1 5 8 0.05 0.15;1 5 8 0.05 0.225;1 5 8 0.05 0.3;1 5 8 0.1 0.075;1 5 8 0.1 0.15;1 5 8 0.1 0.3;1 5 8 0.2 0.075;1 5 8 0.2 0.15;1 5 8 0.2 0.225];
b=[9;1;6;1;2;3;111;47;7;1;17;6;4;25;5;3;2;1;9;2;1;3;2];
c=[1 5 8 0.05 0.05;1 6 8 0.05 0.05;1 5 6 0.05 0.05;1 5 8 0.02 0.3;1 5 8 0.05 0.225;1 5 8 0.1 0.225];
a=a';
b=b';
c=c';
net=newff(minmax(a),[12 1],{'tansig' 'purelin'}, 'trainlm');
net.trainParam.show = 50;  
   net.trainParam.lr = 0.001;  
   net.trainParam.epochs = 10000;  
   net.trainParam.goal = 1e-7;   
    net.trainParam.min_grad = 1e-9;  
   [net,tr]=train(net,a,b);         
figure
y=sim(net,c)  

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