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i need help with discrete wavelet transform
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I have this code but gives me error, what should i do?
clear all;
data1 = importdata('ismt12.txt'); X=data1.data; X=X'; EMG1 = X(7, :);
% stun=size(data,2);
for i=1:length (EMG1)
% EMG1=data(:,i);
end
[c,L]=wavedec(EMG1,4,'db3');
cd1=detcoef(c,L,1);
cd2=detcoef(c,L,2);
cd3=detcoef(c,L,3);
cd4=detcoef(c,L,4);
ca4=appcoef(c,L,'db3',4);
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