how to get wavelet transform using wavedec function

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sm m
sm m 2014-9-28
编辑： sm m 2014-9-28
hi ..
I need help in applying 1d wavedec function on dats and dats_b
My code looks like this
save([resultfolder '\' num2str(Signal) '.mat'], 'dats_orig', 'dats', 'dats_orig_b', 'dats_b');
I want to do wavelet transform on all the dats and dats_b but there is something wrong that I am doing. please help.
my code
save([resultfolder '\' num2str(Signal) '.mat'], 'dats_orig', 'dats', 'dats_orig_b', 'dats_b');
dwtmode('per');
Data_edited=wavedec(dats, wavelet='db2', levels=inf, length=None);
Data_edited_b=wavedec(dats_b, wavelet='db2', levels=inf, length=None);
please advise:

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