How to use wfilters in MATLAB

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Ricky
Ricky 2013-6-7
Hello ,
I want to implement Discrete Wavelet Transformation using 'Haar' criteria. I found the relevant document also on mathworks but somehow I did nou understand how to implement it for my data set.
http://www.mathworks.co.uk/help/wavelet/ref/wfilters.html
I was reading the above documentation. I would be gratefull if someone can tell me how to implement it on a column vector.
Thanks
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Ricky
Ricky 2013-6-7
编辑：Ricky 2013-6-7
sorry for the trouble but I just saw that this function is in wavelet transformation toolbox which is not installed in my machine.
Sorry for the problem again .
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