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How to compute a Hankel matrix for N-dimension ?

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Yapo OBOUE
Yapo OBOUE on 14 Jul 2019
Commented: Yapo OBOUE on 15 Jul 2019
Hello everyone, I have a 4-dimension matrix A configured as follow :
[w x y z]=size(A);
where w=10; x=10; y=10 and z=10. Is there any matlab code/function to compute the hankel matrix of this 4-dimension matrix A ? Thanks for your help.

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Accepted Answer

Bruno Luong
Bruno Luong on 14 Jul 2019
Edited: Bruno Luong on 14 Jul 2019
Not sure what is the Hankel in 4-D but by extension in 2D it should be something like this
w=5;
x=4;
y=3;
z=2;
b = rand(1,w+x+y+z);
[W,X,Y,Z] = ndgrid(1:w,1:x,1:y,1:z);
A = b(W+X+Y+Z)

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