MATLAB: Algorithmically create block matrices

blockmatrices

I want to create a block matrix out of square matrices with the following structure
H = [A B C D;
    B A B C;
    C B A B;
    D C B A]
Cleraly, if I was interested in only a 4×4 block, this would be enough. However, I'm interested in constructing such matrices out of a set of N square matrices A,B,C,D,E … forming an N by N matrix of square matrices. Suppose I define
Matrices = [A B C D E];
What is the code I need to construct the corresponding 5 by 5 block matrix?

Best Answer

cat()
vertcat()
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