Kronecker product of cell array elemnts

Hi, I have a cell array C=cell(3,20).I want the kronecker product of each element to all the others.How can I do that?!! Thanks in advance.

Answer 1

[SK]

>> CL = repmat(transpose(C(:)), [3*20, 1]);
>> CR = repmat(C(:), [1, 3*20]);
>> P = cellfun(@kron, CL, CR, 'UniformOutput', false);

This gives a 60 x 60 cell array of matrices.

[SK]

I'm sorry I don't understand your question. The code gives kron(C{i,j}, C{k,l}), for all possible pairs including for i = j = k = l.