Develop an ANN model getting concatenation erro help

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fileName = '2017-07.xlsx';
sheetName = 'Sheet1' ;
G_T=xlsread(fileName, sheetName , 'B3:B39999');
M=xlsread(fileName, sheetName , 'AO3:AO39999');
D=xlsread(fileName, sheetName , 'AN3:AN39999');
H=xlsread(fileName, sheetName , 'A3:A39999');
G_T_Test=xlsread(fileName, sheetName , 'B40000:B44641');
M_Test=xlsread(fileName, sheetName , 'AO40000:AO44641');
D_Test=xlsread(fileName, sheetName , 'AN40000:AN44641');
H_Test=xlsread(fileName, sheetName , 'A40000:A44641');
inputs = [M,D,H];
targets= [G_T];
%-------ann Model development and training
net = newff(I,T,5);
Y = sim(net,I);
net.trainParam.epochs = 100;
net = train(net,I,T);
%------------testing the developed model--------
G_Mi = sim(net,Test1);
G_M= G_Mi;
G_Tp=[ ];
for i=1:1:length(G_M)
G_Tp=[G_Tp ; G_M(i,2)];
plot (G_T_Test)
hold on
Error using horzcat
Dimensions of arrays being concatenated are not consistent.
I dont know where, help. Thanks in advance

Accepted Answer

Devineni Aslesha
Devineni Aslesha on 26 Aug 2020
Assuming that the error 'Dimensions of arrays being concatenated are not consistent' is in the line inputs = [M,D,H] or test =[M_Test,D_Test,H_Test]; is due to that the matrices that are concatenated do not have the same number of rows.
For more information on concatenating matrices, refer the following link.

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