https://www.mathworks.com/help/wavelet/ref/sensingdictionary.horzcat.html
horzcat - Horizontal concatenation of two sensing dictionaries - MATLAB
This MATLAB function creates a custom sensing dictionary by appending the columns in B after the columns in A.
horizontalconcatenationtwosensingdictionaries
https://de.mathworks.com/help/bioinfo/ref/datamatrix.horzcat.html
horzcat - Concatenate DataMatrix objects horizontally - MATLAB
This MATLAB function or the equivalent DMObjNew = (DMObj1, DMObj2, ...) horizontally concatenates the DataMatrix objects DMObj1 and DMObj2 into DMObjNew,...
concatenatedatamatrixobjectshorizontallymatlab