Where can i find waveletScattering function used in matlab?

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?

Answer 1

[madhan ravi]

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