MATLAB: Where can i find waveletScattering function used in matlab

matlab functionwavelet

I am currently using Matlab 2018a while i search help for waveletscattering it shows "waveletScattering not found" . Or is it compitable only in new version i.e Matlab 2018b?

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https://www.mathworks.com/help/wavelet/ref/waveletscattering.html#mw_a0dd2386-66f5-4c0b-b96d-7ae0ba327cd1_seealso - Introduced in 2018b

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Hi Jaffino, the term "octave" as applied to the DWT is just referring to the dyadic scales. So you take all the coefficients at that scale. For example:

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d3 is the vector of coefficients at scale 3 (3rd octave). I think octave is a bit outdated now in the wavelet literature, better to refer to them as just scales.

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