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Re: wavelet

You need to Map the function over the wavelet coefficients,

data == Sin[N@Range[0, 2 Pi, 2 Pi/1023]] + RandomReal[NormalDistribution[0,0.1], 1024];

dwd == DiscreteWaveletTransform[data,HaarWavelet[],5]




Vivek J. Joshi
Wolfram Research Inc.

On Dec 13, 2010, at 2:50 AM, clansa wrote:

> The order
> StandardDeviation[Flatten[dwd[{___,1},"Values"]]
> compute the standard deviation of all the wavelets coefficients dwd
> But I want to calculate standard deviations of the wavelets
> coefficients for each level of the decomposition
> Do you know the solution?
> Thanks
> Andre Dauphine, Geographer

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