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Hello. Could we approximate a tensor of (p,q) rank with matrices of their elements? I am talking also about the general case of a tensor not only special cases. For example a (2,0) tensor with i, j indices is a matrix of ixj indices. A (3,0) tensor with i,j,k indices I think is k matrices with ixj elements each one of them. So is a tensor of (p,q) rank with upper indices i

_{1},i_{2},...,i_{p}and lower indices j_{1},j_{2},...,j_{q}a set of (i_{1}xi_{2}...xi_{p})x(j_{1}xj_{2}...xj_{q-2}) matrices of j_{q-1}xj_{q}elements? If I am incorrect what did I do wrong? Thank you.
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