Manipulating tensor products

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Murray Douglas
Murray Douglas on 14 Mar 2011
If I have computed an integral of something of the form kron(A,B) where A and B are sparse matrices. How do I get other tensor products such as kron(A',B), kron(A, B'), etc? Since they all involve the same elements it should be a simple manipulation of the indices. Is there an existing routine to do this?

Answers (2)

Andrew Newell
Andrew Newell on 14 Mar 2011
Transposition is distributive over the Kronecker product, so
kron(A',B') = kron(A,B)'
kron(A',B) = kron(A,B')'
but there doesn't seem to be a simple way of getting kron(A',B) or kron(A,B') from kron(A,B).

Sean de Wolski
Sean de Wolski on 14 Mar 2011

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